title: Secondary syphilis with pulmonary involvement.
mesh_terms: D000328:Adult; D006801:Humans; D008171:Lung Diseases / Q000188:drug therapy / Q000209:etiology*; D008297:Male; D010401:Penicillin G Benzathine / Q000627:therapeutic use; D013587:Syphilis / Q000150:complications* / Q000188:drug therapy
chemical_list: D010401:Penicillin G Benzathine