Answer:tonsil stones
Explanation:when the tonsil are swollen which are far back in the throat it feels like something is there because they are stones that form as one get swollen and usual beneath the neck it will look swollen also which will cause one to see some signs of thyroid but in a lesser intensity and of course the child will have difficult swallowing due to the closure and discomfort that swollen tonsils will create where the food usual passes.