<s>[INST] Yesterday my daughter noticed a small lump almost on the jaw line or right underneath on the top of the neck (right hand side). Jaw is very sore to the touch and her cheek looks a little swollen as well. Is this some sort of infection or tooth issue or something more serious? [/INST] Hello, Thanks for consulting ChatDoctorRead your query as your daughter has small lump on jaw this can be due to some reason like infection in tooth or infection in gum. For this I will suggest you to consult oral surgeon for oral examination and if needed go for investigations Lola X-ray of region of lump. Inmeantime do warm saline gargle two - three times a day and maintain proper oral hygiene. Hope this will help you. </s>