<prompt> Infraclavicular lesion of tuberculosis is known asGohns focusPuhls focusAssmans focusSimmons focus  <response>: refer robins page no 370 Hematogenous spread to apex of upper lobe resulting in a post primary infective lesion which heals with scarring is known as Simons focus. ... Puhls lesionnodule is the term for isolated lesion of chronic pulmonary TB in the apex of the lung. 