What is mesothelioma?

Rare carcinoma metastatic starts at pleura, could be small nodules to confluent sheets that encase the lung. Ass with inhalation of asbestos, advanced disease. Suspected when we see pleural thickening or recurrent exudative pleural effusion with hx of asbestos exposure Dx requires biopsy (cytology study is not sensitive) Tx acc to condition (surgery + chemo + radiation) Very poor prognosis (survival 6-9 months)