Intravesical instillation of bacillus Calmette-Guerin (BCG) vaccine ha
s been shown to be an effective treatment of superficial bladder cance
r. However, it is not free of side-effects and complications. We prese
nt the case of a 62-year-old man who developed disseminated pulmonary
granulomas after local BCG immunotherapy for recurrent papillary bladd
er cancer.