What Causes Muscle Pain In Neck And Severe Migraines?

in 2008 had stage 2 3 melanoma. had op on back and neck and under left arm, neck and arm were because it had spread to the lymph nodes and they removed one in neck and underarm. my back was 1 mm. have had regular revisions. now have spreading colour on my nose and another op I had under my eye to remove a changing colour, 12 stitches, has come through again. have severe nausea and dizzy...have also developed very painful muscle pain in neck and left side.....need injections for pain and am receing severe migraines nearly on a daily basis, am I to prepare myself for bad news