[Histopathological study of esophageal varices treated by sclerotherapy].
D000368:Aged; D004932:Esophageal and Gastric Varices / Q000473:pathology* / Q000628:therapy; D004945:Esophagoscopy; D004947:Esophagus / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015911:Sclerotherapy; D013194:Staining and Labeling