The term lower respiratory tract is identified in base64 scheme by the sequence bG93ZXIgcmVzcGlyYXRvcnkgdHJhY3Q=, while the MD5 signature is equal to 45e57f31f24d911b20e3133a43576933. The ASCII encoding of lower respiratory tract in hexadecimal notation is 6c6f7765722072657370697261746f7279207472616374.