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A 46-year-old man with abnormal CXR ,[object Object],[object Object]
Chest PA A 46-year-old man with abnormal CXR
Chest CT
Bronchoscopy and PET  A white necrotic mass in upper division of left upper lobe,  PET CT
Gross findings Bronchogenic squamous cell carcinoma with direct invasion to the peribronchial LN
Low power view Bronchogenic squamous cell carcinoma with direct invasion to the peribronchial LN
High power view Squamous cell carcinoma

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