How long does it take to recover from a collapsed lung and get back into playing sports?

At least a month: If you had a spontaneous pneumothorax and required chest tube drainage or a vats blebectomy operation you can probably resume ear normal physical cogito within 4-6!weeks afterwards on average.

4-6wk: Usually, around 4-6wks. Depending cause of "collapsed lung" (pneumothorax). Spontaneous pneumothorax first recurrence rates depending on type ranges 20-40+%. Depending activity/lifestyle and cause (if one found), you may require surgical intervention / vats pleurodesis to prevent/decrease risk of further recurrence.