Participants will be randomized to receive ES catheter or cryoablation for pain management after the Nuss procedure. The goal of this study is to compare the following between the two groups: * Time to achieve short-term physical therapy goals and long-term functional outcomes * Compare immediate and long-term postoperative opioid use * Compare numbness on chest of postoperative day 1 and the return of sensation to baseline * Compare the incidence of neuropathic pain and other complications Participants will receive surveys for up to 12 months postoperatively.