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T1 hypointense, T2 and STIR hyperintense, diffusion restricting, predominantly peripherally enhancing mass lesion epicentered in right anterolateral tongue, invading genioglossus without crossing midline, invading hyoglossus and entire sublingual space, and involving ipsilateral mylohyoid. No evident mandibular involvement. Few subcentimetric discrete lymph nodes in right level Ib.