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Anatomy Respiratory system d381966d

Which of the following statements about lung carcinoma is true

A
Squamous cell variant accounts for 70% of all lung cancer
B
Oat cell variant typically present with cavitation
C
Oat cell variant is typically associated with hilar adenopathy
D
Adenocarcinoma variant is typically central in location
High-Yield Explanation
Small cell carcinoma usually occurs in central bronchi with associated mediastinal and hilar adenopathy being a common presentation at time of diagnosis Ref Harrison 19th edition pg 515

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