The condition you describe is called a Harrison's sulcus. If your son is otherwise fit and well, the dip you see at the front of his chest is almost certainly a harmless variant of normal chest ...

A Renfrew teenager's life has been changed after getting access to a new non-surgical treatment for young people with a rare sunken chest condition. Ryan Dolan, 15, began receiving a new "vacuum bell" ...

My son was born with a dip in the chest cavity area between the ribs. I was told at his birth this was not a problem, but I would like to know what this condition is called and whether it will affect ...