A 70-year-old-man with a 100-pack-per-year history of smoking presented with hemoptysis. Radiologic studies demonstrated a mass in the upper lobe of the left lung which was biopsied and a subsequent lobectomy was performed. The lobectomy was remarkable for a centrally located 2.5 cm partially necrotic mass.
The master list with the correct answer
• Adenocarcinoma, solid type with mucin production
• Adenosquamous carcinoma
• Basaloid carcinoma
• Large cell carcinoma
• Squamous cell carcinoma
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• Appropriate diagnosis
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