Respiratory Medicine MCQ for NEET PG & FMGE

A 28-year-old woman presents with low-grade fever for 1 week accompanied by dry cough and left chest pain, and dyspnea after activity for 2 days. Chest X-ray shows left pleural effusion. Blood white blood cell (WBC) count is 7.8*10<sup>9</sup>/L, and pleural fluid is a bloody exudate with lymphocytes (L) 0.65. The most likely diagnosis is:

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