label: Mesothelial Neoplasm
label_lc: mesothelial neoplasm
description: "A neoplasm characterized by the proliferation of neoplastic mesothelial cells. It usually arises from the pleura or peritoneum. This category includes malignant mesothelioma, adenomatoid tumor (benign mesothelioma), well differentiated papillary mesothelial tumor, and multicystic mesothelioma."