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Does Thermoplastic Mask Alleivates Skin Sparing Effect of Photons in Head and Neck Cancer Patients: A Pilot study 热塑性口罩是否能减轻头颈癌患者光子的皮肤保留效应:一项初步研究
Pub Date : 2021-02-09 DOI: 10.19080/ctoij.2021.18.555978
P. Nagpal, D. Pruthi, P. Shanmugan, Paranthaman Chinnakari, Manish Pandey, Harpreet Singh
Introduction: Head and Neck tumors are mainly treated with concurrent chemoradiation. Treatment delivery with Megavoltage beam has the advantage of skin sparing effect but still skin reactions have been a major side effect since 2D era. Initially these reactions were due to the delivery with bilateral opposed portals but with advent of IMRT/ VMAT, it has been possible to escalate the tumor dose with the need of strict immobilization with thermoplastic mask. This thermoplastic mask may have a bolus effect and can result in increase in surface dose resulting in skin reactions. The aim of this study was to evaluate if any bolus effect of thermoplastic mask exists. Materials and Methods: A total of 15 patients of histologically proven carcinoma oropharynx and hypopharynx were taken. Patients were scanned for planning CT with thermoplastic mask. Another scan was taken in the same position but without thermoplastic mask. Same contouring and planning were done on both the scans. Plans were made and ascertained that all OAR’s and target volumes should get similar doses. Skin contoured on both the scans was evaluated for the dose received. Results: Mean dose received by skin in patients with thermoplastic mask was 48.15 GY while Mean dose received by skin in patients without thermoplastic mask was 43.18 GY. A paired t-test was applied on the dataset which revealed a statistically significant difference between the skin doses with and without mask with a p value of < 0.05. Conclusion: Increase in skin dose can be attributed of the bolus effect of thermoplastic mask. This bolus effect should be considered once high dose to skin is observed during planning or patient develops skin reaction.
头颈部肿瘤的治疗主要采用同步放化疗。使用高压光束进行治疗具有皮肤保护效果的优点,但自2D时代以来,皮肤反应一直是主要的副作用。最初,这些反应是由于双侧对侧门静脉输送所致,但随着IMRT/ VMAT技术的出现,由于需要用热塑性口罩严格固定,肿瘤剂量可能会增加。这种热塑性口罩可能具有丸效,并可能导致表面剂量增加,从而导致皮肤反应。本研究的目的是评估热塑性口罩是否存在任何剂量效应。材料与方法:选取经组织学证实的口咽癌和下咽癌患者15例。采用热塑性口罩对患者进行规划CT扫描。在相同位置进行另一次扫描,但没有热塑性口罩。在两次扫描中都做了相同的轮廓和规划。已制定计划并确定所有桨叶和目标体积应获得类似剂量。对两次扫描的皮肤轮廓进行剂量评估。结果:使用热塑性口罩患者皮肤接受的平均剂量为48.15 GY,未使用热塑性口罩患者皮肤接受的平均剂量为43.18 GY。对数据集进行配对t检验,结果显示,戴口罩和不戴口罩的皮肤剂量差异有统计学意义,p值< 0.05。结论:热塑性面膜的丸化作用可导致皮肤剂量增加。一旦在计划期间观察到高剂量的皮肤或患者出现皮肤反应,应考虑这种丸剂效应。
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引用次数: 0
Management of Positive Cervical Lymph Nodes in Parotid Cancer 腮腺癌颈部淋巴结阳性的处理
Pub Date : 2021-02-03 DOI: 10.19080/ctoij.2021.18.555977
Z. Ali, Morsy Aieat, M. Osama, Hussien Marwa, A. Ebrahim
Objective: Assessment the management of positive cervical lymph nodes in parotid cancer. Associated clinical symptoms, histological types, regional lymph node stage (n stage), occult metastasis, neck dissection by level, recurrence, neck irradiation. Methods. We carried out a retrospective analysis of 43 patient’s pathological positive lymph nodes metastatic from parodied cancer, who underwent neck dissection. treated in years 2010-2020, we analyzed the following parameters: age, sex, pT-Status, tumour size, skin invasion, facial nerve palsy, tumour fixation, extraparotid extension, localization, grade, histology, Distribution of T classification was: T3 (60%), and T4 (40%). Results: Mean patient age was 52 years, the most common location of cervical Nodes Met. was level II (72%), then III (49%) then I (42%), then IV (40%) and V (19%). The incidence was highest among patients with (27.9%) mucoepidermoid carcinoma was most common, followed by (14.6%) carcinoma ex-pleomorphic adenoma (9.3%) with acinic cell carcinoma (7%) with squamous cell carcinoma, (11.6%) with adenoid cystic carcinoma, (7.0%) with adenocarcinoma, (7.4%) salivary duct carcinoma, When classified by histological grade, 35% of patients with low/intermediate-grade versus 65.0% high-grade ., Pre-operative fine needle aspiration (83.7%) patients, Post-surgical irradiation was performed in all 43 patients (100%). The resection status (R) was Negative margins R0. (93%), lymphovascular space invasion (44.2%) and (25.6%) had perineural invasion. Skin invasion in (14%) patients, and (4.7%) had regional nodal recurrence (7%) patients with pN1, vs (93%) patients with pN2. Pathologically positive lymph node 4 (range: 1–8 Nodes) lymph nodes harvest 29(range, 23–41 lymph nodes)., Conclusion: modified Radical Neck Dissection with additional radiotherapy should be carried out in patients. Nodes positive parotied cancer especially High histological stage, advanced stage, perineural invasion, positive operative edge, a fixed mass with extra parotid extension facial-nerve paralysis and tumor pain in partied cancer.
目的:探讨腮腺癌颈部淋巴结阳性的处理方法。相关临床症状,组织学类型,局部淋巴结分期(n期),隐匿转移,颈部清扫,复发,颈部放疗。方法。我们对43例接受颈部清扫术的模仿癌病理阳性淋巴结转移患者进行回顾性分析。在2010-2020年间,我们分析了以下参数:年龄,性别,pt状态,肿瘤大小,皮肤侵犯,面神经麻痹,肿瘤固定,腮腺外延伸,定位,分级,组织学。T分类分布为:T3(60%)和T4(40%)。结果:患者平均年龄为52岁,宫颈淋巴结最常见的部位均满足。为II级(72%)、III级(49%)、I级(42%)、IV级(40%)和V级(19%)。以黏液表皮样癌发生率最高(27.9%),其次为癌前多形性腺瘤(14.6%)、腺泡细胞癌(9.3%)、鳞状细胞癌(7%)、腺样囊性癌(11.6%)、腺癌(7.0%)、唾液管癌(7.4%)。按组织学分级,低/中级别为35%,高级别为65.0%,术前细针抽吸患者(83.7%);所有43例患者(100%)均进行了术后放疗。切除状态(R)为阴性切缘R0。(93%),淋巴血管间隙侵犯(44.2%),神经周围侵犯(25.6%)。pN1患者有皮肤侵犯(14%),pN2患者有局部淋巴结复发(4.7%),而pN2患者有(93%)。病理阳性淋巴结4个(范围:1-8个淋巴结)淋巴结收获29个(范围:23-41个淋巴结)。结论:改良根治性颈部清扫术加放疗治疗是可行的。淋巴结阳性腮腺癌,组织学分期高、晚期、神经周围浸润、手术边缘阳性、固定肿块伴腮腺外延伸、面神经麻痹、肿瘤疼痛。
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引用次数: 0
Review: Potential Effectiveness of Paleolithic Nutritional Interventions in Treatment of Gynecological Cancers 回顾:旧石器时代营养干预治疗妇科癌症的潜在有效性
Pub Date : 2021-01-29 DOI: 10.19080/CTOIJ.2021.18.555976
R. Fatima, Hadia Fatima
Background: Limited research has been performed for treating gynecological disease conditions using paleodiet intervention. It is in demand to conduct many randomized controlled trials to prove its effectiveness. This review indicates one of the most important literature gaps in gynae-oncology. Paleo nutrition has recently emerged as a treatment option in conditions related to gynecology, and such potential benefits are indicated in few short-term clinical trials and case reports related to gynecological cancers and malignancies. Objective: This meta-analysis is aimed to address the importance of nutritional intervention, with emphasis on paleo nutrition, in treatment of gynecological cancers, pre-malignancy conditions, and post-operative recovery in women. Materials: PubMed, Scopus, SciPubs, Mayo Clinic, Cochrane Library, Covance Laboratory and ASRM databases were used for collecting data in the form of case reports, research articles, reviews, clinical trials, journals, and books. Design: Out of 400 publications, 7 are shortlisted for their relevance to gynecological oncology and paleo nutrition interventions. Case reports and short-term clinical trials between year 2000-2020 are included for comparative analysis of Paleodiet and its variants with other nutritional interventions. Results: There is no scientific data that has been reported on genetic and molecular impacts of paleo-nutrition on gynecological cancers. Clinical reports suggest significant improvement through paleodiet intervention in anthropometric markers and metabolism in pre-treatment and post-treatment examination of patients of gynae-oncology. Very limited data is available for comparative analysis of paleodiet and other dietary interventions. Conclusion: Paleo nutrition is an under-researched future intervention and has a potential to impact treatment strategies for gynecological patients. A large volume of randomized controlled trials for each ethnic group can help manage the cancer burden globally.
背景:利用古饮食干预治疗妇科疾病的研究有限。需要进行大量的随机对照试验来证明其有效性。这篇综述指出了妇科肿瘤学中最重要的文献空白之一。古营养最近成为妇科相关疾病的一种治疗选择,这种潜在的益处在一些短期临床试验和与妇科癌症和恶性肿瘤相关的病例报告中得到了证实。目的:本荟萃分析旨在探讨营养干预的重要性,重点关注古营养在妇科癌症、恶性肿瘤前疾病和女性术后恢复中的作用。资料:使用PubMed、Scopus、scibars、Mayo Clinic、Cochrane Library、Covance Laboratory和ASRM数据库收集病例报告、研究文章、综述、临床试验、期刊和书籍等形式的数据。设计:在400份出版物中,有7份因其与妇科肿瘤学和古营养干预的相关性而入围。2000-2020年间的病例报告和短期临床试验纳入了古饮食及其变体与其他营养干预措施的比较分析。结果:古营养对妇科癌症的遗传和分子影响尚无科学数据报道。临床报告表明,通过古饮食干预对妇科肿瘤患者治疗前和治疗后检查的人体测量指标和代谢有显著改善。可用于古饮食和其他饮食干预的比较分析的数据非常有限。结论:古营养是一种尚待研究的未来干预措施,并有可能影响妇科患者的治疗策略。针对每个种族群体的大量随机对照试验可以帮助控制全球的癌症负担。
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引用次数: 0
Oncopharmacogenomics of Hepatocellular Carcinoma - A Therapy Related Review 肝细胞癌的肿瘤药物基因组学-治疗相关综述
Pub Date : 2021-01-29 DOI: 10.19080/ctoij.2021.17.555975
Prem Ravi Varma P K
Hepatocellular carcinoma (HCC) remains a highly complex disease resistant to commonly used chemotherapy and radiotherapy. As the fifth most common cancer worldwide with the third highest mortality rate and very poorly understood molecular pathways driving hepatocarcinogenesis, new treatment strategies are urgently needed for this devastating disease. The multi kinase inhibitor Sorafenib was the first molecular targeted drug in HCC that led to significant survival benefit in patients with advanced tumors. It is the first drug to be considered standard of care for advanced HCC and supports the importance of molecular therapies in the treatment of this cancer. Analysis of genetic and epigenetic alterations as well as different molecular pathways involved in the development of HCC help to identify potential new druggable targets. A variety of novel compounds are already under preclinical or clinical investigation, and accumulating evidence suggests that combination therapy targeting different pathways will potentiate anti-tumoral effects and will become the future therapeutic approach. In addition, the establishment of a robust molecular classification will pave the way for a more personalized treatment scheme in HCC. In this article a review of the current knowledge of the molecular pathogenesis of HCC and an overview of molecular targeted therapies in the management of HCC are provided.
肝细胞癌(HCC)仍然是一种高度复杂的疾病,对常用的化疗和放疗具有耐药性。作为全球第五大常见癌症,死亡率第三高,对推动肝癌发生的分子途径知之甚少,迫切需要新的治疗策略来治疗这一毁灭性疾病。多激酶抑制剂索拉非尼(Sorafenib)是首个用于HCC的分子靶向药物,可显著提高晚期肿瘤患者的生存期。它是第一个被认为是晚期HCC标准治疗的药物,并支持分子治疗在这种癌症治疗中的重要性。分析HCC发展过程中涉及的遗传和表观遗传改变以及不同的分子途径有助于确定潜在的新药物靶点。多种新型化合物已经在临床前或临床研究中,越来越多的证据表明,针对不同途径的联合治疗将增强抗肿瘤效果,并将成为未来的治疗方法。此外,建立一个强大的分子分类将为HCC更个性化的治疗方案铺平道路。本文综述了目前肝癌分子发病机制的研究进展,并对肝癌分子靶向治疗进行了综述。
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引用次数: 0
Neoadjuvant Treatment for Resectable, Stage IIIA Non-Small Cell Lung Cancer 可切除IIIA期非小细胞肺癌的新辅助治疗
Pub Date : 2021-01-25 DOI: 10.19080/CTOIJ.2021.17.555974
I. Kiladze
The optimal treatment of patients with stage IIIA non-small cell lung cancer (NSCLC) remains highly controversial. In resectable stage IIIA NSCLC, there is still a considerable debate regarding the best strategy. Treatment choice is often a function of institutional and/or physician preference. Treatment consists of neo-adjuvant chemotherapy or chemoradiotherapy (CHRT) followed by surgery with or without postoperative radiotherapy (RT), definitive CHRT, or neoadjuvant immunotherapy followed by surgery and several other options. Neo-adjuvant therapy for operable NSCLC has been the subject of a large number of studies in the literature. We summarized existing data and also highlight ongoing trials, focusing on neoadjuvant immunotherapy. Neoadjuvant CHRT seems to be safe and efficient and is associated with an improved pathological outcome, but it has failed to demonstrate any advantage in terms of progression-free survival or overall survival compared to neoadjuvant chemotherapy. Contrary to previous fears, radiotherapy does not add a higher toxicity, nor does it increase post-operative mortality compared to chemotherapy alone. Studies with chemoimmunotherapy provide a higher rate of pathologic responses and downstaging compared to chemotherapy. On the other hand, it remains to be confirmed whether pCR is a sufficient surrogate for OS. Results of ongoing neoadjuvant immunotherapy trials are awaiting and we believe, the next decades will bring much needed improvements for patients. Still the controversy is not being solved and further trials considering a better patients’ selection, innovative radiotherapy and more efficient systemic treatments need to be undertaken.
IIIA期非小细胞肺癌(NSCLC)患者的最佳治疗方法仍然存在很大争议。在可切除的IIIA期非小细胞肺癌中,关于最佳策略仍然存在相当大的争论。治疗选择通常取决于机构和/或医生的偏好。治疗包括新辅助化疗或放化疗(CHRT),然后手术加或不加术后放疗(RT),最终CHRT,或新辅助免疫治疗,然后手术和其他几种选择。可手术非小细胞肺癌的新辅助治疗已成为大量文献研究的主题。我们总结了现有的数据,也强调了正在进行的试验,重点是新辅助免疫治疗。新辅助CHRT似乎是安全有效的,并且与改善的病理结果相关,但与新辅助化疗相比,它在无进展生存期或总生存期方面未能证明任何优势。与先前的担忧相反,与单独化疗相比,放疗不会增加更高的毒性,也不会增加术后死亡率。与化疗相比,化学免疫疗法的研究提供了更高的病理反应率和降低分期。另一方面,pCR是否足以替代OS还有待证实。正在进行的新辅助免疫治疗试验的结果正在等待,我们相信,未来几十年将为患者带来急需的改善。然而,这一争议仍未得到解决,需要进行进一步的试验,考虑更好的患者选择、创新的放疗和更有效的全身治疗。
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引用次数: 0
Prostate Cancer, Update of its Diagnosis and Treatment, with Special Emphasis on its Management in Argentina 前列腺癌,其诊断和治疗的最新进展,特别强调其在阿根廷的管理
Pub Date : 2020-12-22 DOI: 10.19080/ctoij.2020.17.555972
A. Hunis
Prostate cancer is the second most frequent tumor in men in Argentina. Since the work of Charles Huggins, in 1941, in which he demonstrates that the suppression of the male sex hormone-testosterone-through surgical castration, many years have passed and many advances have been made in terms of diagnosis and treatment of this disease, paradigm of a hormone-dependent tumor. In this work, we intend to summarize the advances and the problems of the disease in the Argentine Republic. in
前列腺癌是阿根廷男性中第二常见的肿瘤。查尔斯·哈金斯在1941年通过手术阉割证明了男性性激素睾丸素的抑制作用,从那时起,许多年过去了,在诊断和治疗这种激素依赖性肿瘤的范例方面取得了许多进展。在这项工作中,我们打算总结阿根廷共和国在这一疾病方面的进展和问题。在
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引用次数: 0
The Adipocerous Ossein- Chondroid Lipoma 脂质骨胶原-软骨样脂肪瘤
Pub Date : 2020-12-16 DOI: 10.19080/ctoij.2020.17.555971
Anu Bajaj
Mesenchymal soft tissue adipocytic neoplasms are frequently discerned tumors demonstrating diverse histological subcategories. Chondroid lipoma is an extremely exceptional, benign adipocytic neoplasm initially scripted by Meis and Enzinger in 1993 as a tumefaction simulating liposarcoma or myxoid chondrosarcoma [1]. As the neoplasm is composed of mature adipocytes, lipoblasts and myxochondroid stroma, chondroid lipoma may be histologically misinterpreted as an adipose tissue sarcoma, round cell liposarcoma or extra-skeletal myxoid chondrosarcoma. As malignant tumours are therapeutically managed with adjuvant radiotherapy, chemotherapy, and extensive surgical resection wherein benign tumours are appropriately addressed by marginal resection, cogent distinction between benign lipomatous neoplasms from diverse malignant neoplasms is necessitated to circumvent unnecessary therapeutic intervention and associated adverse outcomes. The essentially benign chondroid lipoma does not mandate expansive surgical extermination, adjunctive radiotherapy, or chemotherapy.
间充质软组织脂肪细胞瘤是一种常见的肿瘤,具有不同的组织学亚类。软骨样脂肪瘤是一种极为罕见的良性脂肪细胞肿瘤,最初由Meis和Enzinger于1993年将其描述为一种类似脂肪肉瘤或黏液样软骨肉瘤的肿瘤[1]。由于肿瘤由成熟脂肪细胞、脂肪母细胞和黏液软骨样基质组成,软骨样脂肪瘤在组织学上可能被误解为脂肪组织肉瘤、圆细胞脂肪肉瘤或骨外黏液样软骨肉瘤。由于恶性肿瘤的治疗是通过辅助放疗、化疗和广泛的手术切除来进行的,其中良性肿瘤通过边缘切除得到适当的治疗,因此有必要将良性脂肪瘤与各种恶性肿瘤进行明确区分,以避免不必要的治疗干预和相关的不良后果。本质上良性的软骨样脂肪瘤不需要广泛的手术切除、辅助放疗或化疗。
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引用次数: 0
Challenges during Bone Marrow Transplantation in COVID-19 era 新冠肺炎时代骨髓移植面临的挑战
Pub Date : 2020-12-16 DOI: 10.19080/ctoij.2020.17.555969
N. Hamed
Which transplant procedure should be delayed during COVID-19 outbreak is a difficult decision due to the variable situation between transplant centers. In general, non-urgent transplants especially those for non-malignant disorders should be deferred as much as possible. Appropriate local advice and support groups are of paramount importance for those who will have treatment delay. Patients might suffer harm if necessary, transplants are delayed due to COVID-19 infection. Patients having undergone SCT require specific guidance and policies. An important issue is deferral of transplant candidates if they become COVID-19 infected.
在新冠疫情期间,由于移植中心之间的情况不同,应该推迟哪些移植手术是一个很难决定的问题。一般来说,非紧急移植,特别是那些非恶性疾病的移植应尽可能推迟。适当的当地咨询和支持小组对那些治疗延误的人至关重要。如果有必要,患者可能会受到伤害,因为新冠病毒感染导致移植延迟。接受SCT的患者需要具体的指导和政策。一个重要的问题是,如果他们感染了COVID-19,移植候选人将被推迟。
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引用次数: 0
Comparison of Conventional versus Accelerated Fractions of Radiotherapy per Week for Squamous Cell Carcinoma of the Head and Neck 头颈部鳞状细胞癌每周常规放疗与加速放疗的比较
Pub Date : 2020-12-15 DOI: 10.19080/ctoij.2020.17.555968
Manoj Kumar Suman
Purpose: In Indian scenario Head and neck cancer is the second most cancer. As compared to female it is more common in male. In radiotherapy, conventional fractionation (5Fx/week) and accelerated fractionation (6fx/week) is being advocated. Squamous cell carcinoma of the Head and neck cancer is predominantly a loco regional disease. The objective of the present study is comparison between conventional v/s accelerated fractions of radiotherapy in Squamous cell carcinoma of locally advanced Head and neck cancer. Methods: This prospective randomized single Institutional study done from July 2018 to November 2019 at Mathura Das Mathur Hospital, Jodhpur has compared the accelerated fractionation (66 Gy/33#, 6 days per week) with conventional fractionation (66 Gy/33 #, 5 days per week) in Squamous cell carcinoma of Head and neck patients. Comparison was done between the two radiotherapy schedules comprising of 25 patients each Arm. Results and Conclusion: The rate of grade I and II toxicities were similar in both arms. In the present study has proved that accelerated fraction provide benefit mainly by local tumor control. The rates of grade III toxicities were significantly more in accelerated arm. So, when selecting the patients for these regimes’ institutional workload, disease status and patients related factors should be considered.
目的:在印度,头颈癌是第二大癌症。与女性相比,男性更常见。在放疗中,提倡常规分割(5Fx/周)和加速分割(6fx/周)。头颈部鳞状细胞癌主要是一种局部区域性疾病。本研究的目的是比较传统的v/s加速部分放疗在局部晚期头颈癌鳞状细胞癌中的作用。方法:这项前瞻性随机单机构研究于2018年7月至2019年11月在Jodhpur的Mathura Das Mathur医院进行,比较了头颈部鳞状细胞癌患者的加速分离(66 Gy/33#,每周6天)和常规分离(66 Gy/33#,每周5天)。比较两组放疗方案,每组25例患者。结果与结论:两组ⅰ级和ⅱ级毒性发生率相似。目前的研究证明,加速剂主要通过局部肿瘤控制来提供益处。III级毒性发生率在加速组明显更高。因此,在为这些制度的机构工作量选择患者时,应考虑疾病状况和患者相关因素。
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引用次数: 1
Role of Glucose on Breast Cancer Patients 葡萄糖在乳腺癌患者中的作用
Pub Date : 2020-12-14 DOI: 10.19080/ctoij.2020.17.555967
R. Das
Cancer and diabetes mellitus (DM) are frequently occurring diseases with frightening impact on human health worldwide. In epidemiological studies, it is observed that people with DM are always at higher risk for several types of cancer [1-4]. Some research reports have pointed that there is a direct link between overweight and cruelty of breast cancer (BC) [5-7]. Correlation between the BC prognosis and metabolic syndrome has been reported in [8]. The following inquiries are surveyed in the present editorial report.
癌症和糖尿病是世界范围内严重影响人类健康的多发病。流行病学研究发现,糖尿病患者罹患几种癌症的风险较高[1-4]。一些研究报告指出,超重与乳腺癌(BC)的残忍之间存在直接联系[5-7]。文献[8]报道了BC预后与代谢综合征的相关性。本编辑报告调查了下列问题。
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引用次数: 0
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Cancer Therapy & Oncology International Journal
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