Tracheal Carcinoma In Situ

**Semantic type:** Neoplastic Process

**Definition:** A carcinoma that arises from the tracheal mucosa and is confined to the epithelial layer without evidence of further tissue invasion.

**Synonyms:** - Carcinoma In Situ of Trachea - Carcinoma In Situ of the Trachea - Carcinoma in situ of trachea - Trachea Carcinoma In Situ