Conjoined twins: X-ray shows the complicated procedure facing doctors who separated Allison and Amelia Tucker

Shocking x-ray shows the complicated procedure facing doctors who successfully separated conjoined twin girls as they made their debut just days before ChristmasAllison and Amelia Tucker born joined at the lower chest and abdomenGirls are expected to live 'full, healthy and independent lives'Mother Shellie: 'These girls are going to do big things in life!' | UPDATED: 07:56 GMT, 21 December 2012 The incredible X-ray of conjoined twin girls Allison June and Amelia Lee Tucker shows how complicated a surgery the team of doctors had in front of them when they went into the seven-hour surgery.