A state appeals panel on Monday undid a $25,000 settlement between a patient and doctor and revived a far costlier contribution claim brought against that doctor by the patient’s employer.The 1st District Appellate Court’s ruling means Dr. Sarmed G. Elias could be found liable for damages leveled against Illinois Central Railroad Co. by Antwon M. Ross in a Federal Employer’s Liability Act case.A former freight conductor, Ross sued Illinois Central alleging he injured his head, neck and back when he fell …