Megacalyces with polycalyces.
D000328:Adult; D005260:Female; D006801:Humans; D007670:Kidney Calices / Q000000981:diagnostic imaging*; D007674:Kidney Diseases / Q000000981:diagnostic imaging*; D007682:Kidney Pelvis / Q000000981:diagnostic imaging*; D011859:Radiography; D013577:Syndrome