[A so-called retroperitoneal tumor].
D000005:Abdomen; D000008:Abdominal Neoplasms; D003110:Colonic Neoplasms; D006801:Humans; D009369:Neoplasms; D012186:Retroperitoneal Neoplasms; D013274:Stomach Neoplasms
ABDOMEN/neoplasms; COLON/neoplasms; STOMACH/neoplasms
Zogezegd retroperitoneale tumor.