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Pulmonology Quiz

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55 yr old with history of ciagrette smoking presents with cough, shortness of breath, and pain in his distal lower extremities and shins.  

Chest x-ray reveals a 5 cm L sided lung mass. A bone scan reveals diffuse uptake bilaterally in the tibia/fibula with no other evidence of metastatic disease. 

Physical exam is unremarkable except for clubbing of the digits. 

CT guided biopsy of the 5 cm mass in positive for malignancy.


Of the following options, the most likely type of lung cancer is:

  1.  Sqaumous cell carcinoma of the lung
  2.  Small cell lung cancer
  3.  Large cell lung cancer
  4.  Adenocarcinoma of the lung