As above — just go. I’ve been fighting and fighting with insurance but now recently scanned twice I’ve managed to get it at good price.
Normally if you have no spread then fine to cover. If you have spread to lymph nodes only then normally they ok to cover also. Once you have spread to other parts of body , normally bones , then it becomes very very difficult even if essentially you feel fine and Onco approves. They just don’t want to touch you. So enjoy while you can as I’m doing repeatedly