Without any surgery or without cutting of gangrene parts,what? no one solution in the world about, gangrene,,? then stop. now you can cure gangrene,you can come out from this disease without any surgery,because main reason of gangrene is deactivate of pancreas & pancreas become fail reason of after spoil of liver & kidney & stomach, if you want to activate pancreas you want to restart probably minimum three parts of body ,as a stomach,Liver kidney & lungs so pancreas can restart & re active .