<prompt> In primary tuberculosis, all of the following may be seen except -CavitationCaseationCalcificationGiant cell  <response>: Tuberculosis Depending on the time of infection and the type of response pulmonary tuberculosis may be classified as primary and post-primary.Primary tuberculosis is the initial infection by tubercle bacilli in a host.Post-primary secondary or adult type of tuberculosis is due to reactivation of latent infection or exogenous reinfection. 