On a stalk: Pedunculated lesions (in the colon, on the skin, etc) are growths (either benign or malignant) that stick out from the surface ( ie they are on a stalk). This contrasts with growths that are flat on the surface of the skin or membrane.
Answered 7/25/2020
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Usually refers: To a polyps that has a stalk similar to a mushroom in appearance.
Answered 1/2/2014
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