Had cancer oral screening 7 weeks ago (all okay.) since then i've developed red bumps on back of tongue and along sides of tongue. could it be cancer?

Probably Not : See a dentist to determine if the bumps are an irritation or infection or if it is the normal appearance of your taste buds (in the back - see diagram). The dentist can tell you if you have a problem and if so, determine the most appropriate treatment. And if you don't have a problem, having the dentist tell you, will make you feel better!

Highly unlikely, but: Tongue sores and bumps are usually benign. There are several factors that can precipitate this presentation such as trauma, allergy and irritation. If they do not abate in 10-12 days, a folllow up visit to your dentist is indicated. At that visit a determination will be made through a thorough med hx to consider medication and follow up, biopsy or a referral for further evaluation.