If you strongly suspect that this patient has pulmonary tuberculosis, which of these sets of investigations would you choose to perform initially?
A. Sputum smear, FNAC of neck lymph node, chest X-ray.
B. Sputum culture, bronchoscopy biopsy, CT chest.
C. Sputum smear, FNAC of neck lymph node, CT chest.
D. Bronchoscopy biopsy, FNAC of neck lymph node, chest X-ray.
SEQ 1 Describe Ghon complex.