<prompt> Which is the commonest site for extrapulmonary TB?PleuraLymph nodeIntestineMeninges  <response>: Extrapulmonary tuberculosis is tuberculosis TB within a location in the body other than the lungs. This occurs in 15-20 of active cases, causing other kinds of TB. These are collectively denoted as extrapulmonary tuberculosis. Extrapulmonary TB occurs more commonly in immunosuppressed persons and young children . Ref Harrison20th edition pg 1097 