She went to a Brooklyn emergency room suffering from what she thought was just a kidney stone, but a medical nightmare left her partly blind and a quadruple amputee. Tabitha Mullings claims doctors at Brooklyn Hospital Center failed to diagnose an infection that has literally eaten her alive. RELATED: BOY WITH GIANT LIMB GIVEN $200G FIXUP "Sometimes I can't believe it's me laying here," the mother of three told the Daily News Wednesday from her bed in the very hospital she blames for her ravaged body. Wiping tears with a bandaged stump, Mullings struggled to explain how in a...