The term left atrium of the heart is identified in base64 scheme by the sequence bGVmdCBhdHJpdW0gb2YgdGhlIGhlYXJ0, while the MD5 signature is equal to 35fda18a95fe3893783db45cf3c15414. The ASCII encoding of left atrium of the heart in hexadecimal notation is 6c6566742061747269756d206f6620746865206865617274.