Localized fibrous tumor of pleura is submesothelial origin and related terms with localized mesothelioma, giant sarcoma of visceral pleura, post-inflammatory tumor of the pleura, pleural fibroma, submesothelial fibroma. This tumor is rare. We experienced a case of localized fibrous tumor.This 66 years old female was admitted with 2 years left persistant flank pain and mild dyspnea. Chest X-ray and CT scan showed a 12x10cm well-defined huge mass in the left subpulmonic area, and not metastatic lesion of any organs.Exploratory thoracotomy was done and a 14x10x8cm [650gm weight] sized mass was excised.The patient was discharged without any complications postoperatively.