A man whose right leg was amputated after suffering from blood clots during and after a surgery has settled his lawsuit for $7 million.In 2011, plaintiffs Kevin Hood and his wife Yuki sued Northwestern Memorial Hospital and the physicians who performed surgery on him two years earlier, alleging they failed to ensure blood was flowing to his lower extremities as they worked to repair grafts on his aorta.In 2006, Hood developed salmonella poisoning after eating a ham sandwich at a south suburban grocery store. Salmonella …