13) A 55-year-old man presents with an irntant dry cough with persistent bloody sputum for 2 months. No history of fever and expectoration. Physical examination showed no cyanosis, but clubbing...

13) A 55-year-old man presents with an irntant dry cough with persistent bloody sputum for 2 months. No history of fever and expectoration. Physical examination showed no cyanosis, but clubbing fingers (toes) were obvious. The most likely diagnosis is () AChronic lung abscess BBronchiectasis C Invasive tuberculosis D bronchial lung cancer EPneumococcal pneumonia