Mom diagnosed with cancer and removed 1/3 of tongue & 100 lymphs. No chemo/radio. Now reoccupied after 6 months neck swollen confirmed cancerous. Help?

Team approach. This will require the joint attention of a team of specialists including oncology, ent, oral surgery and possibly dentistry to fully address what is going on. Consult with a mufti-disciiplinary facility or a university based team for the best consideration of all your options. Best of luck to your mom..
Team approach. She should be evaluated and treated by an experienced head and neck cancer team. Since she has not had radiation or chemoradiation, these may be options for her with or without additional surgery.
Recurrent cancer. Discuss treatment options with your oncologist. If you are dissatisfied, then seek a second opinion from a university cancer center.