Histopatholoty of a lung cancer shows 'clara cells' probable diagnosis is -: (A) Squamous cell cancer, (B) Bronchio alveolar cancer, (C) Large cell cancer, (D) Papillary carcinoma
Answer is B. Ans. is 'b' i.e., Bronchio alveolar cancer "Ultrastructurally bronchoalveolar carcinoma are a heterogenous group, consisting of mucin secreting bronchiolar cells clara cells or rarely type II penumocytes".