Fluid collection in emphysematous bullae.
D001768:Blister; D001826:Body Fluids; D004646:Emphysema; D006801:Humans; D007287:Inorganic Chemicals; D011656:Pulmonary Emphysema / Q000473:pathology*
D007287:Inorganic Chemicals
PULMONARY EMPHYSEMA/pathology