A 26-year-old man presented with a history of a cough and loss of weight over the preceding 6 months. He had lived in the hill station for the past 7 years. On examination, left apical crackles were observed on auscultation of his chest. A chest X-ray revealed left apical shadowing with cavitation.
His sputum contained Mycobacterium tuberculosis and a skin test with tuberculin was strongly positive. What is the probable diagnosis? *This patient case is from Docplexus Editorial Team for educative purpose only. Source: Essentials of Clinical Immunology
