Lisa Marie Presley’s autopsy report, obtained by CNN later on Thursday, included comments by deputy medical examiner Dr. Juan M. Carrillo.

He attributed her death to “adhesions (or, scar tissue) that developed after bariatric surgery years ago. This is a known long term complication of this type of surgery.”

Carrillo also revealed autopsy toxicology results, which showed “therapeutic” levels of oxycodone in Presley’s blood. He added that quetapine metabolite (used to treat depression, schizophrenia or manic episodes) and buprenorphine (a painkiller) were present, but “not contributory to death.”

“There is no evidence of injury or foul play. The manner of death is deemed natural,” Carrillo concluded.

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