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a 62 YOW comes to the physisics with 3 w of progressive SOB, mild pain in right chest, and
nonproductive cough. 12 lb wt loss in last 3 m. She had br ca 6 years ago s/p mastectomy. She
appears cyanotic and cachectic. friction rub is heard on the right. breath sounds decreased on right with dullness to percussion. Dx?