Combined Thymus Epithelial Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A primary thymus epithelial neoplasm characterized by the presence of at least two distinct areas representing thymoma and carcinoma. The most aggressive component usually determines the clinical outcome.

**Synonyms:** - Combined Thymic Carcinoma - Combined Thymic Epithelial Neoplasm - Combined Thymic Epithelial Tumor - Combined Thymic Epithelial Tumor - Composite Thymoma-Thymic Carcinoma