I was offered Leukine injections after my thoracotomy in 2010 but after researching it, in my case it wouldn't have benefited me- so I rejected it. I was stage 4. Back in 2010 melanoma was basically a death sentence. It was explained to me leukine works like interferon- which if it did anything would have just prolonged time to progression. My melanoma was found in the lymph nodes and the studies had showed it wouldn't benefit me. After going hither and yon I found a clinical trial. I did Nivolumab ( anti-PD-1) in a vaccine trial along with 72 peptide injections. I have been NED for over 6 years now...considering the Mayo doc's and most all oncologists for that matter, gave me 6 months I am blessed. Lynn ----Hang in there.