Informed consent is theory of liability in medical malpractice cases. This is the final part in a multipart series on informed consent. The purpose of this series is to provide a general understanding of informed consent as a theory of liability in medical malpractice. This review is intended for non-lawyers, although it will be more in-depth than an average review on attorneynessler.com. This series explains the general concepts of informed consent by discussing the Fourth District Appellate Court's decision in Crim, et al. v. Dietrich, (2016 IL App (4th) 150843).