Mouth cancer needs surgery (generally removal of mouth lesion with surrounding normal tissue + removal lymph nodes in the neck).
Since you say its early, the outcomes are quite good. Go for a Good Head and Neck Oncosurgeon who can provide holistic care including surgery, counselling,rehabilitation.
Health Tips
immediate cessation of smoking/tobacco chewing/ alcohol consumption
ensure good hydration and nutrition
need an in-person visit to know a better clinical stage of mouth lesion and neck status and explain