A massive pleural-based tumour: the challenge of diagnosis.

Liposarcomas of the mediastinum and chest wall have been previously described; however, primary pleural liposarcoma is extremely rare. We report an exceedingly rare case of a well-differentiated sclerosing pleural liposarcoma in a 47-year-old male that was resected. We emphasise the importance of careful inspection of the origin of these tumours to allow accurate diagnosis.