Hello, Thanks for the query to H.C.M. Forum. If I were your treating doctor for this case of enlargement of lymph node , I would come up with these possibilities , these includes. 1 Septic pharyngitis this is most common cause of swelling in the throat and jaw angle . Diagnosis can be confirmed by physical as well clinical history of illness by an E N T specialist . 2 May be tubercular lymphadenitis , diagnosis can be confirmed by biopsy of enlarged lymph nodes and clinical history. 3 May be due to secondary infection due to teeth ( tooth ) infection . As sometimes impacted tooth got infection and this infection involves whole area causing swelling and difficulty in swallowing. Diagnosis can be confirmed by physical examination by a dental surgeon . In my opinion get in C B C as well E S R ( blood ) examination and consult an E N T expert . Good luck. Dr. HET