The search textbox has an autosuggest feature. When you enter three or more characters, a list of up to 10 suggestions will popup under the textbox. Use the arrow keys to move through the suggestions. To select a suggestion, hit the enter key. Using the escape key closes the listbox and puts you back at the textbox. The radio buttons allow you to toggle between having all search items start with or contain the text you entered in the search box.
stage IVB lip and oral cavity cancer (... OR-ul KA-vih-tee KAN-ser)
Stage IV is divided into stages IVA, IVB, and IVC. In stage IVB, (1) the tumor may be any size and has spread to one or more lymph nodes that are larger than 6 centimeters; or (2) the tumor has spread further into the muscles or bones in the oral cavity, or to the base of the skull and/or the carotid artery. Cancer may have spread to one or more lymph nodes anywhere in the neck.