The term paranasal sinus is identified in base64 scheme by the sequence cGFyYW5hc2FsIHNpbnVz, while the MD5 signature is equal to 83c43a66f8bcaf6918deec0e64958e98. The ASCII encoding of paranasal sinus in hexadecimal notation is 706172616e6173616c2073696e7573.