[Mediastinal Dedifferentiated Liposarcoma Reconstructing Defected Chest Wall Using Prosthetic Materials:Report of a Case].

Present case is a 74-year-old man, given a diagnosis of huge mediastinal dedifferentiated liposarcoma. Surgical complete resection of the tumor and involved anterior chest wall( all body of sternum and bilateral 3rd~5th rib) followed by reconstruction of the defected chest wall using three artificial prosthetic materials of putting titanium mesh plate between ePTFE mesh seat at inner (mediastinal) site and polypropylene mesh seat at outer site was perfomed. The patient is doing well without respirately failure and disease free even 6 years after surgery. This surgical procedure could be thought of effective treatment method in sense of preventing postoperative complication and preserving respiratory function.