NCIt synonyms : Occult Squamous Cell Carcinoma of the Lung; Occult Squamous Cell Carcinoma of Lung; Occult Squamous Cell Lung Carcinoma;
NCIt 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.;