- Subjects must have histologically confirmed advanced (incurable stage IIIB or IV according to the International Staging System, [Mountain, 1997] Non-Small Cell Lung Cancer (NSCLC) at primary diagnosis or relapsed after curative-intent surgery. Only patients with either (1) the histological subtypes of adenocarcinoma with BAC (Bronchioloalveolar) features or pure BAC (as defined by the 1999 World Health Organization criteria) or, (2) never smokers (i.e. smoked <100 cigarettes in lifetime) with any histology of NSCLC (squamous, adenocarcinoma, lifetime) with any histology of NSCLC (squamous, adenocarcinoma,