Abstract
Mixed tumors of the gastrointestinal tract, including both adenocarcinoma and germ cell neoplasm, have been reported infrequently. In the colon, only 9 cases, to our knowledge, have been described in the English-language literature. This is the case of a 29-year-old man with an unsuspected mixed colonic neoplasm that metastasized as the germ cell component.
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