A Modified Radical Neck Dissection, MRND, is the same as a Radical Neck Dissection, RND, except it preserves one or more structures typically removed during a RND such as the neck muscle, vein and nerve, and sometimes level V. A MRND, usually removes levels ll-IV lymph nodes for thd oropharynx involvement, but with oral tongue and cavity, level l also since that typically is the first node for metasteses, but there can be skip metastees in any case.
