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Doughnut
(redirected from donut)

   Also found in: Dictionary/thesaurus, Acronyms, Idioms, Encyclopedia, Wikipedia 0.01 sec.
Doughnut
Imaging adjective Referring to a targetoid lesion or radiodensity in which the central and peripheral fields are relatively more radiodense or darker that the middle field
noun The targetoid lesion or radiodensity itself
Surgery A sleeve of tissue excised after a major gastrointestinal tract resection, often of the distal colon, when a cancer extends close to the margin of the original segment


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