The term imperforate anus is identified in base64 scheme by the sequence aW1wZXJmb3JhdGUgYW51cw==, while the MD5 signature is equal to 3d2832efba0beab608ca9663d1167ef5. The ASCII encoding of imperforate anus in hexadecimal notation is 696d706572666f7261746520616e7573.