<Tr> <Th> From </Th> <Td> left pulmonary artery </Td> </Tr> <Tr> <Th> To </Th> <Td> descending aorta </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> Latin </Th> <Td> Ligamentum arteriosum </Td> </Tr>

Which of the following becomes the ligamentum arteriosum