Go where your passions lie, don't just go after what you are able to do right now. Find something you absolutely love doing and go after that. Sometimes we get caught up in the day to day money making and forget to live. Ask yourself why you got into coding or QA to begin with, you might be in the wrong field for the wrong reasons.
Recent cancer research has shown that cancer is more or less an immuno problem. Regarding this, new treatments are available utilizing high doses of vitamin C given intravenously. The results look really promising. You might want to suggest this as a possibility of alternate treatment if chemo treatments don't seem to be working.