Pleural Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant neoplasm that involves the serous membrane that lines the lungs and thoracic cavity. Most pleural neoplasms are metastatic. Diffuse malignant mesothelioma is the most common primary malignant neoplasm of the pleura.

**Synonyms:** - Neoplasm of Pleura - Neoplasm of the Pleura - Pleural Tumor - Tumor of Pleura - Tumor of the Pleura