title: [Tumors of the retroperitoneal space and small intestinal mesentery].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007421:Intestine, Small; D008297:Male; D008643:Mesentery; D008875:Middle Aged; D010534:Peritoneal Neoplasms / Q000175:diagnosis*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*
vernacular_title: Guzy przestrzeni zaotrzewnowej i nasady krezki jelita cienkiego.