<prompt> In primary T.B. seen -Ghons focusPleural effusionMiliary mottlingFibrosis  <response>: Primary T.B. includes.An area of grey-white size of approx. 1 - 1.50 cm inflammatory consolidation - called ghons focus.Lymph node.Lymphatics and lymphatic channel.Cavity and fibrosis is seen in secondary T.B. 