Occult Lung Squamous Cell Carcinoma

**Semantic type:** Neoplastic Process

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

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