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180623 Pathology

A 70-year-old man has smoked for years despite a chronic productive cough. One day, he notices blood in his sputum and goes to see his physician. A chest x-ray reveals a mass in the left lung, which is biopsied during a fiberoptic bronchoscopy. Assuming that this patient’s cancer is etiologically related to his smoking, which of the following diagnoses are most likely to be returned by the pathology laboratory?

AAdenocarcinoma or bronchioloalveolar carcinoma
BAdenocarcinoma or small cell carcinoma
CBronchioloalveolar carcinoma or small cell carcinoma
DSmall cell carcinoma or squamous cell carcinoma
Pathology
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