system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about Ghons focus:
assistant
The correct answer is  Inhaled tubercule bacilli implanted in the distal air spaces of the lower pa of upper lobe or upper pa of lower lobe ,close to the pleura lead to formarion of ghons focus. Primary complex of tuberculosis consists of 3 components. Pulmonary compound Draining lymphnodes Caseating hilar lymphnode Caseous holar lymphadenopathy is associated with ghon complex and not ghon focus.(ref Robbins 8th/370,9/e p374)