Hyperplastic polyp causing ball-valve effect.
Sone
Y
Y
Honda
T
T
Nakano
S
S
D004724:Endoscopy; D006801:Humans; D006965:Hyperplasia; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery