Sir It is not cancer. Donot worry. It may be a retention cyst. It contains mucous /saliva usually. Because of trauma from biting some blood may have collected inside. It is not serious. But it may increase in size or may get infected. It can be treated by minor surgical procedure by a ENT surgeon.
Next Steps
See an ENT surgeon near you regarding marsupialization of the cyst under local anaesthetic.
Answered2020-06-15 15:03:32
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