A 17-year-old with cystic fibrosis presents with his first episode of a moderate-sized spontaneous pneumothorax. He is hemodynamically stable. The medical team discusses definitive management, keeping in mind that he may be a candidate for lung transplantation in the future. Given the high recurrence rate of pneumothorax in cystic fibrosis and the potential need for future transplantation, which management strategy should be approached with the most caution?