title: Letter: Microvilli.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D002462:Cell Membrane / Q000648:ultrastructure; D006333:Heart Failure / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000473:pathology*; D010996:Pleural Effusion / Q000166:cytology