hi I am Anna 46 yrs old i had a cists in the left side of my back now it's big and sometimes it hurting and i fell like it comes closer on my armpit last 3yrs when i had a check up the doctor said it must be taken out and i am hesitate to take that surgery because my cousin also had this and he got operated and now he is suffered from infection 'cause its getting worse and he cant walk until now for about 2 yrs he is sufferring with it 'thats why i am afraid for the surgery ,please help and if i will undergo for an operation how much does it cost