Bilateral malignant pleural effusion is most often seen in?

Nearly all cancers can cause distant pleural metastases which during the course of the disease, may result in the development of a malignant pleural effusion. Primary lung cancer is the most common cause of the malignant pleural effusion. However, the bilateral malignant pleural effusion is most commonly seen with mesothelioma secondary to asbestos exposure. NOTE Most common site of metastasis of lung cancer is LIVER