The term hydronephrosis is identified in base64 scheme by the sequence aHlkcm9uZXBocm9zaXM=, while the MD5 signature is equal to 40416a3dc9e4d6e6ae1ceb671a5de6a1. The ASCII encoding of hydronephrosis in hexadecimal notation is 687964726f6e657068726f736973.