what are the early symptoms of neuroblastoma?
["Lump or swelling in the child's abdomen or neck that doesn't seem to hurt.", 'Swelling of the legs or upper chest, neck and face.', 'Enlarged belly.', 'Problems breathing or swallowing.', 'Weight loss.', 'Not eating or complaining about feeling full.', 'Problems with bowel movements or urinating.', 'Pain in bones.']