This disease originates mainly in the right semicolon. The clinical manifestations were characterized by abdominal mass (85% ),abdominal pain (75% ),weight loss (45% ),bloody stool (40%),abdominal distension (30% )etc.

• 病变主要发生在右半结肠，以腹块（85%25）、腹痛（75%25）、体重下降（45%25）以及血便（40%25）、腹胀（30%25）等为主要特点。 1例为霍奇金淋巴瘤；