Hi 57 years old gran diagnosed with stage 4 melanoma on immunotherapy had radical neck dissection , large removal of nodes on back with skin grafting and lymph removal March 25 have had double treatment now commencing single immunotherapy treatment but mixed results await mri results as acquired double vision 7 weeks ago unsure why ? Treatment? Lymphoedema in face .  Trying to be positive and take every day as it comes got new grandchild coming in 3 weeks so trying traditional remedies to help. Anyone else tried anything that helped ?