Surgeons in southern California successfully completed the world's first-ever human bladder transplant on 41-year-old Oscar Larrainzar in what's being called a potentially "game-changing" method

In a groundbreaking surgery, surgeons at Ronald Reagan UCLA Medical Center successfully performed the world's first human bladder transplant on Oscar Larrainzar, who also received a kidney from the same donor.

Surgeons in Southern California have performed the first human bladder transplant, introducing a new, potentially life-changing procedure for people with debilitating bladder conditions.