i had a knot come up on back of head, , it went as far as surgeon tried a biopsy, the right side of neck the lymph nodes r very swollen, well this tumor is on my right optic nerve, i can barely see now, he could not get the biopsy n cut very deep to were i scream, i dont feel part of my face or see well now, im weak to were i can barely walk, i do see things thats not there at times,my body is weak, i cant remember much of anything,i know it is a tumor he said, but can it be cancer? im 48 and this has been going on 5 months, i wont go get it took out due to town small n i still know he cut me way to deep,headaches r killing me, what can i do. i aint slept in like 5 days n nights my head hurts and wont let me.i lost alot of weight, now i have no balance,my head kills me n my neck,my body hurts from no rest also.i just throw up for no reason,i have other health probs also but can u answer this plz. ty