A 14-year-old boy presents with a chest wall deformity, pictured below. His mother says his chest looked abnormal at 7-years-old. He has chest pain and exercise intolerance. He and his parents want to improve the appearance of his chest. After chest CT and echocardiogram, which of the following is the most appropriate management?

a Trial of bracing
b Hybrid Ravitch/Nuss procedure
c Observation for two years
d Trial of combined bracing and vacuum bell
e Sternal rotation

a Trial of bracing
b Hybrid Ravitch/Nuss procedure
c Observation for two years
d Trial of combined bracing and vacuum bell
e Sternal rotation