I have neck swelling in right side without pain, when I touch it feels like hard, I consulted many doctors over the serval months and treat it but I didn't get expected results, in my CT scan and sonography reports suggested that TB disease but biopsy report said that kimura unknown disease, I have been started treatment of kimura disease but I didn't get desire results, my swelling is keep increasing and I have got side effects of treatment so please suggest me proper way to cure my disease.