hi my son is 16 years old he had pnumothorax last year and he had pnuemomedistrain past month,he admited to hospital,there was no treatment done.Now iam freaking out all the time if that happen to him again.Also i dont know if he allow to fly?we were plan to ply to florida(from boston),i am a little bit aware. what should i do

Summarized question: Is flying safe while having pneumothorax?