Austin treated for prostate cancer, serious intestinal complications: Walter Reed

The White House is ordering a review of Cabinet protocols for delegating authority after the fallout from Defense Secretary Lloyd Austin's undisclosed hospitalization, according to a memo obtained by ABC News.

A short time after, Walter Reed National Military Medical Center -- which treated Austin -- released a detailed statement about his care, saying he underwent a procedure to treat early prostate cancer and then a urinary tract infection that led to serious intestinal complications. Austin was under general anesthesia.

This is a developing story. Please check back for updates.