In primary T.B. seen -: (A) Ghon's focus, (B) Pleural effusion, (C) Miliary mottling, (D) Fibrosis
Answer is A. Primary T.B. includes.


An area of grey-white (size of approx. 1 - 1.50 cm) inflammatory consolidation - called ghon's focus.
Lymph node.
Lymphatics and lymphatic channel.


Cavity and fibrosis is seen in secondary T.B.