Lung Clear Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A rare benign lung tumor with perivascular epithelioid cell differentiation. It is composed of round or oval cells with abundant clear or eosinophilic cytoplasm and distinct cell borders. The vast majority of patients are asymptomatic and the tumors are discovered incidentally. Excision is curative.

**Synonyms:** - CCSTL - Clear Cell-Sugar-Tumor of Lung - Clear Cell-Sugar-Tumor of the Lung - Sugar Tumor