The term esophageal smear is identified in base64 scheme by the sequence ZXNvcGhhZ2VhbCBzbWVhcg==, while the MD5 signature is equal to 23a8e571bc7bedf178584fb102df2718. The ASCII encoding of esophageal smear in hexadecimal notation is 65736f7068616765616c20736d656172.