A 62-year-old woman comes to the physician with 3 weeks of progressive shortness of breath, mild pain in the right chest, and nonproductive cough. She had breast cancer 6 years ago and underwent mastectomy. She appears cyanotic and cachectic. Friction rub is heard on the right. Breath sounds decreased on the right with dullness to percussion. Diagnosis?
A) Pleural effusion
B) Atelectasis
C) Pulmonary embolism
D) Malignant mesothelioma