Hello, I am Dr. Atul Kumar Nimawat, MS (ENT).
As you mentioned, you initially experienced a sore throat followed by the development of a right-sided neck swelling. This is commonly seen in viral or bacterial infections.
Your neck ultrasound has revealed bilateral mild enlargement of posterior cervical lymph nodes, which appears to be inflammatory in nature.
However, since you have described the swelling as a hard lump, it is important to rule out other potential causes beyond simple inflammation.
Next Steps
To confirm the diagnosis and determine the exact nature of the swelling, we recommend proceeding with a Fine Needle Aspiration Cytology (FNAC). This is a simple, safe, and effective test that will help us make an accurate diagnosis and guide further management accordingly.