[RETROPERITONEAL CYSTIC LYMPHANGIOMAS].
D006801:Humans; D008202:Lymphangioma; D018191:Lymphangioma, Cystic; D012186:Retroperitoneal Neoplasms
LYMPHANGIOMA; RETROPERITONEAL NEOPLASMS
LES LYMPHANGIOMES KYSTIQUES R'ETRO-P'ERITONEAUX.