title: Cystitis emphysematosa.
mesh_terms: D000368:Aged; D003556:Cystitis / Q000473:pathology*; D005740:Gases; D006801:Humans; D008264:Macrophages / Q000473:pathology; D008297:Male; D001743:Urinary Bladder / Q000473:pathology
chemical_list: D005740:Gases