Thereafter, we granted the defendants' petition for certification to appeal from the Appellate Court, limited to the following issue: "Did the Appellate Court properly reverse the trial court's ruling excluding certain evidence regarding the issue of informed consent?" Duffy v. Flagg, 274 Conn. 909, 876 A.2d 1201 (2005). In her appeal to the Appellate Court, the plaintiff originally raised other grounds for appeal in her brief, but withdrew those claims at oral argument.