### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
I have had a swollen lymph node on the right side of my neck of nearly three years.  It is about a quarter inch and has not grown in that time.  I noticed it after a sever sinus infection.  Antibiotics cleared infection, but node remained swollen.  Doctor did an ultrasound about a year later and it came back clean.  Now, I have found a bee-bee size, moveable node above my left collar bone at my neck juncture and also what feels to be a semi-swollen node behind my left jaw/ear.  I have had a mild stuffy nose at night for a few days, but no other symptoms.  Ive remained very healthy while my friends have been sick with colds/flu several times this year.  Everything I read leads to cancer.  I am wondering, though, could there be another reason for the swelling?  PMS maybe?  (It is the perfect timing.)  I just want to get a straight answer that is not so absolutely terrifying.  I have a doctors appointment in 3 days with my general practitioner (who examined the right node before), but Id really like to stop going out of my mind until then.  Yes, I know cancer is a possibility, but I have no other symptoms and am looking for a rational answer.  Any help is much appreciated.

### output:

Hi, Dear,Good Morning, and Thanks for your query to my virtual Clinic At Chat Doctor. I studied your query in depth and understood your concerns. Causes for lump in neck as follows-Mostly they are acute on chronic post triangle nodes due to tonsillitis and pharyngitis. Cancer possibility is remote clinically by whatever your history facts suggest. Check with ER ENT-Surgeon and check your FBS and PPS, to resolve the worry.Don't worry of them, as they could be relieved with proper treatment. Hope above reply would help you to relieve of the issue you have. Welcome for any further query to ME and Chat Doctor. Wishing you a Fast Recovery. Write Good review for the benefit of my new patients. Click thanks ASAP after this. Have A Good Day. With Regards Chat Doctor. 