text: The staging of lung<unk>  is based on the TNM classification of lung<unk> .<unk>  is an assessment of the degree of spread of the<unk>  from its original source. It is an important factor affecting the prognosis and potential treatment of lung<unk> . Non-small cell lung carcinoma is staged from IA ("one A", best prognosis) to IV ("four", worst prognosis). Small cell lung carcinoma is classified as limited stage and extensive stage.
option_0: Lung cancer staging
option_1: Lung mass staging
option_2: Lung mass evaluation
option_3: Breast cancer staging
option_4: Squamous cell carcinoma of the lung staging
option_5: Small cell carcinoma of the lung staging
option_6: Adenocarcinoma of the lung staging
option_7: Large cell carcinoma of the lung staging