The term progressive emphysematous necrosis is identified in base64 scheme by the sequence cHJvZ3Jlc3NpdmUgZW1waHlzZW1hdG91cyBuZWNyb3Npcw==, while the MD5 signature is equal to cb8f5c70507f8759ef63fcdeeca225f7. The ASCII encoding of progressive emphysematous necrosis in hexadecimal notation is 70726f677265737369766520656d70687973656d61746f7573206e6563726f736973.