You have given an excelent description of your son's chest and your concerns. Your son appears to have a change in his chest shape due to a concave sternum which is know as 'pectus excavatum' or funnel chest.This is a congenital condition but does not usually inherited.Pectus excavatum is more common in boys. The cause of the chest shape change is unknown but seems to occur at a time of rapid growth of the chest. Sometimes children with this chest shape become short of breath but in most cases there are no symptoms.This can be corrected with a relatvely simple operation called the Nuss proceedure. You should take your son to see a thoracic surgeon for san opinion as to whether the Nuss operation can be done here.Dr Nuss is an ex South Afruican working at the Cleveland Clinic in the USA.You could contact him for advice as to how you should proceed with your son's condition.
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