The term pulmonary artery is identified in base64 scheme by the sequence cHVsbW9uYXJ5IGFydGVyeQ==, while the MD5 signature is equal to d10257ac36317ccecea0d5d725db120c. The ASCII encoding of pulmonary artery in hexadecimal notation is 70756c6d6f6e61727920617274657279.