Lymphangiomas of the large intestine have been reported more frequently since the development and widespread use of the colonic fiberscope. It is possible to endoscopically diagnose lymphangiomas because they are lustrous and smooth on the surface, pliable on compression, and half of them have a stalk or a waist at the base. Lymphangiomas of the colon and rectum under 20 mm in diameter can be safely resected by electrocautery, thereby avoiding unnecessary operation.

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