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Rib Flare deformity (also referred to as Rib Flaring deformity) can be present with Pectus Excavatum (PE), Pectus Carinatum (PC), or by itself. It is characterized by an outwards protrusion of the lower ribs. It is an aesthetic issue and is most obvious when the arms are raised. when an individual has treatment for a PE or PC, the rib flaring deformity is rarely improved unless it is addressed at the same time. Otherwise the reduction of the PE/PC deformity can sometimes make it appear more prominent. As with PE/PC the Rib Flaring deformity usually develops during the growth spurts of adolescence children. Once the child has finished growing the deformity will not usually increase. Rib Flaring is usually asymptomatic so it is a considered a cosmetic issue. Treatment is most effective in a growing child but some correction is possible in an adult with appropriate bracing. Adults with a residual mild Rib Flare deformity may do specific exercises to try to help hide the deformity. Although, while these exercises may have a small effect in reducing the appearance of PC, the ribs are not improved by exercises.