There can be multiple reasons for your throat discomfort. Post nsasl drip, throat ulcers, pharyngitis, acidity related issues, swallowing muscle related issues etc. CT rules out any tumors or mass.
Next Steps
consult ENT and gastroenterology for a laryngoscopy and gastroendoscopy
Health Tips
avoid acidic hot spicy foods.
eat fruits and vegetables
stop smoking or alcohol use if any