Two-year-old Mack Darlington suffers from Spinal Muscular Atrophy It is a neuromuscular disease which affects the muscles Mack has been left ' paralysed,' unable to move or breathe on his own His mother claims an Adelaide hospital refused to perform surgery on him She claims she was told it would be 'burdensome on his family and community' A two-year-old child suffering from a terminal illness has allegedly been refused life-saving surgery after a doctor claimed it would be too much of a 'burden on society'.