has characteristic has characteristic hydronephrosis congenital hydronephrosis https://github.com/monarch-initiative/mondo/issues/4069 ICD9:753.29 MEDGEN:78594 UMLS:C0266316 MedDRA:10050975 Orphanet:2190 Congenital hydronephrosis is a renal urinary disease characterized by distension and dilation of the renal pelvis and calyces secondary to various congenital obstructive malformations of the kidneys and urinary tract that can evolve to renal atrophy. NCIT:C102979 icd11.foundation:808343797 NANDO:2200176 MONDO:0007741 Editor note: TODO check relationship to OMIM:143400 ICD10CM:Q62.0 SCTID:16297002 congenital