Euphoria's Eric Dane opened up about his ALS diagnosis, family support and emotional journey in a Good Morning America interview this June

The Grey's Anatomy star shared an update on his Amyotrophic Lateral Sclerosis (ALS) diagnosis in an interview with Diane Sawyer.

Dane -- who shot to fame amid six seasons on the hit ABC drama "Grey's Anatomy," where he played Dr. Mark Sloan, affectionately known as "McSteamy" -- said his symptoms began over one year ago, when he began to experience weakness in his right hand.