The term positron emission tomography is identified in base64 scheme by the sequence cG9zaXRyb24gZW1pc3Npb24gdG9tb2dyYXBoeQ==, while the MD5 signature is equal to 3e7b2ca67e5c7f8cb46bb2e83215f9e7. The ASCII encoding of positron emission tomography in hexadecimal notation is 706f736974726f6e20656d697373696f6e20746f6d6f677261706879.