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

### input:
34, 51,164 goiters on thyroid, rt side tyroid removed due to goiters still have them on left. Left throid normal size 1 goiter size 1.1 the other .8mm with a more soild look. when rt side remove no cancer. Family history of thyroid problems mother, Aunt had precanerous and had her totally removed. I take 75mg sthnyroid. hard to swallow should I be concern about cancer?

### output:

HI THANKS FOR YOUR QUERY. THE SYMPTOMS WHICH YOU ARE CURRENTLY EXPERIENCING HAVE TO BE SERIOUSLY AD Chat Doctor. THEY ARE HIGHLY SUGGESTIVE OF MALIGNANCY....BASED ON THE HIGHLY POSITIVE FAMILY HISTORY IN YOUR FIRST DEGREE RELATIVES.THE MOST LIKELY DIAGNOSIS IN YOUR CASE IS "MEDULLARY CARCINOMA OF THYROID"ALL YOU NEED NOW IS URGENT EVALUATION OF YOUR Tumor VIA BIOPSY AND TRIPLE ENDOSCOPY .THE ONLY CURATIVE TREATMENT FOR SUCH A Tumor IS "COMPLETE SURGICAL REMOVAL OF THE ENTIRE THYROID GLAND ALONG WITH THE REMOVAL OF THE LYMPH NODES OF NECK"....THIS TREATMENT OFFERS THE BEST CURE WITHOUT ANY AMBIGUITY.BUT IT HAS TO BE TAKEN AT THE EARLIEST.CONSULT YOUR SURGICAL ONCOLOGIST FOR EXPERT OPINIONTHANK YOU.