Red tonsil. Issue does it will solve?

Hello we done blood test. Sputum test Chest xray all report are normal even we did 2 d echo all report and oxygen levels are normal we consult first chest doctor he said all report normal perfectly fine but later we consult ENT So when he saw by camera one tonsil is red n mild blood has there n that little blood very little come in the split when remove very mild colour blood. What is that happen to tonsil. But there are no such symptoms like pain or swallow pain of food or any kind of fever etc nothin problem then what is it. But my mom god severe cold before this happen. Please guide me n tell me what it is. Is it normal it will goo I have attached sputum report too please check please tell me what is the issue does it will solve