Bill Paxton’s family has filed a wrongful death lawsuit against Cedars-Sinai Medical Center in Los Angeles, as well as the surgeon who operated on the actor. Paxton died on February 25 last year at the age of 61. His official cause of death was listed as a stroke that he suffered 11 days after undergoing heart surgery. According to a news release, Paxton’s family claims that Dr. Ali Kyonezhad performed an improper procedure that resulted in the actor experiencing complications. Khoynezhad left his position as a surgeon at Cedars-Sinai shortly after Paxton’s death.