Hi good morning,
Your throat picture is suggestive of chronic irritation to throat, may be due to infection, reflux, allergies etc. The exact cause can be found out by doing a detailed online consultation. You need not worry about this conditions as it don't look like any cancer or any dangerous disease as you might be worried about.
As of now till you take proper online consultation you can follow the tips.
Health Tips
Take adequate sleep.
Don't panic.
Maintain good hydration,
Avoid oily/spicy food
Avoid refrigerated food.
take steam inhalation twice daily.