I replied a day ago but must have pressed preview and not submit. About reconstruction surgery, I agree it seems a lot for dysplasia but it does work. I've had a couple of such surgeries and my speech is good even with half an oral tongue quite badly scarred down. (That booming old teacher's voice just won't go away.) After my hemiglossectomy with flap, I even went back to teaching until I retired.

Keep us posted.

1996, ovarian cancer surgery + cisplatin and taxol.
September, 2007, SCC of left lateral tongue. Excision.
October, 2009 recurrence in scar tissue, T1NOMO. Free flap surgery from left wrist - neck dissection. 63 year old New Zealander. No chemo, no RT.
February, 2014. New primary in left buccal mucosa. Marginal mandibulectomy, neck dissection, right arm free forearm flap. T1N0M0 but third occurrence and some areas of concern: RT started 8 April and finished 19 May.