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?