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NBME 21 Answers
A 59-year-old man comes to the physician because of ...
Foci of keratinization
via @hyoscyamine: FA pg.372. Squamous cell carcinoma occurs in the upper 2/3 of esophagus whereas adenocarcinoma occurs in the distal 1/3. Since this was in the mid esophagus, its squamous cell carcinoma. Key feature of squamous cell carcinoma is keratin pearls.
idk why my dumbass didn't put foci of keratinization and pearls together lmao
it is a case of esophageal carinoma not lung carcinoma.