Spondylothoracic dysplasia

Spondylocostal dysostosis, also known as Jarcho-Levin syndrome (JLS), is a rare, heritable axial skeleton growth disorder. It is characterized by widespread and sometimes severe malformations of the vertebral column and ribs, shortened thorax, and moderate to severe scoliosis and kyphosis. [Source: Wikipedia ]

Spondylothoracic dysostosis
May Cause
Ribbon-like ribs
Thin ribs
Wavy ribs