Yeah, Sheila - ya do what ya gotta do. That's the advice you and the other gals gave me when I lost my hubby.
You and Larry will need to stay where you can - perhaps in some favorite spots, or near friends or family - whatever Larry can tolerate. When setting up or packing up becomes too difficult you may need to stay put, or have someone help. I've heard some people find a nice long-term park near a medical facility for treatment, doctors who understand RVers, and fellow campers with similar problems.
Of course you are overwelmed right now. Who wouldn't be? But together you will form a plan. And know that you have a bunch of friends on line cheering you on.