Pectus excavatum affecting my breathing at high altitudes?

How high. Pulmonary inssuficiency symptoms associated with pectus deformities depends on several factors. Complete pulm.Funct.Test, echocardiogram, cat scan thorax will help assess symptoms. Obiously non smoker pectus pt. Cardiac compression by depressed sternum may produce dyspnoea on excertion as a symptom. Need to have all studies and an excersise tolerance assessment to assess baseline heart/pulmonary fx.