<prompt> Hemoptysis is seen in what propoion of the post primaryadult type tuberculosis?10-2020-3030-4040-50  <response>: Hemoptysis develops in 20-30 of cases, and massive hemoptysis due to erosion of a blood vessel in the wall of a cavity. May also result from rupture of a dilated vessel in a cavity Rasmussens aneurysm or from aspergilloma formation in an old cavity. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 1345 