After being treated for weeks for asthma then bronchitis I have been diagnosed with Emphysema and need abt 5 days in hospital. But have a 2 week trip planned in Europe in 8 weeks. No refund on$12k. 13-15 hour flight in one segment. Never smoked but both parents died of Emphysema and I got it second hand apparently. Was to celebrate end of chemo treatment with friend. Afraid of flying overseas after being told dangerous. But also can't bear the thought of ruining these plans. I will never get the chance again. Age 69. Oxy currently 94. Even if I get it up before flight, what will happen? Am I to cancel?