definitely get checked by your doctor because this could be a problem with your lymph nodes.
i sometimes feel a mild discomfort under my left brest into my shoulder what could this be? . i have not had a problem with high blood pressure in the past but the last time i had it checked it was 172/92. i am diabetic and over weight. i smoke and am 43 years old. recently i have been getting dizzy and light headed. when i went to the dr. about this they said it was vertigo. . a lot of the time when i have the discomfort i feel the need to belch. i am worried. please advise.