Occult Lung Adenosquamous Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An adenosquamous lung carcinoma detectable by sputum cytology only. The primary tumor is undetectable radiographically or during bronchoscopy; therefore, it can not be assessed.

**Synonyms:** - Occult Adenosquamous Cell Carcinoma of Lung - Occult Adenosquamous Cell Carcinoma of the Lung - Occult Adenosquamous Cell Lung Carcinoma