label: Lung Cancer pTX TNM Finding v6 and v7
label_lc: lung cancer ptx tnm finding v6 and v7
description: "Lung cancer in which the primary tumor cannot be assessed, or in which the diagnosis is confirmed by the presence of malignant cells in sputum or bronchial washings, but not visualized by imaging or bronchoscopy. (from AJCC 6th and 7th Eds.)"