The term renal insufficiency is identified in base64 scheme by the sequence cmVuYWwgaW5zdWZmaWNpZW5jeQ==, while the MD5 signature is equal to 70d3b4521b2dd8011bc8621a0768dfd4. The ASCII encoding of renal insufficiency in hexadecimal notation is 72656e616c20696e73756666696369656e6379.