ok i have had a cotton ball sized knot in my cheek for a year i went to the doctor about it he said it was a lymp n. said come back in 3 months. i never went back and it has been a year its still there. ok well i was in class today i got to feeling my face another on is under my chin! its about size of a pea. what could this be and what should i do ? plz help me im only 15 years old . im scared! My dad is carrying me to the doctor again. i was just scared of what they might say if its cancer or something.