Clear cell carcinoma of the stomach: a rare tumor variant imparting poor prognosis.

Differently from clear cell carcinomas involving other organs, CCGC has been rarely investigated by the literature. Since, compared to non clear cell cancers, this particular phenotype of gastric cancer appears to be associated with poorer prognosis, further studies are needed in order to corroborate its real adverse prognostic significance and standardize the correct management and treatment.