@2onlow8- WHile we wait for someone to help with your questions about Xalkori I am wondering what you are doing to increase your lung capacity. It must be a relief to have found Xalkori. If I'm not mistaken Xalkori is a combo of chemotherapy and targeted therapy. Are you aware of some of these side effects below?
https://www.everydayhealth.com/drugs/crizotinib