<prompt> A 4-year-old child presented with cough persisting for 1 month low grade fever. There was a history of contact with TB. What is the chest X ray of the child given below suggestive of?Pleural efusionMiliary TBCavitationPrimary TB  <response>: Chest X Ray showing lung parenchymal lesion with enlarged hilar lymph nodes, in a child with persistent cough, fever history of contact with TB points towards Primary TB. 