It's been a sobering journey for Eric Dane since being diagnosed with ALS. The Grey's Anatomy alum sat down with Diane Sawyer on Good Morning America in his first TV interview since revealing his diagnosis in April,

Eric Dane detailed the heartbreaking effects that ALS has had on his body just two months after the Grey’s Anatomy alum shared his diagnosis with the world.

Former “Grey’s Anatomy” star Eric Dane is dealing with some major side affects amid his ongoing battle with ALS. “I have one functioning arm,” the 52-year-old said in an interview with Diane Sawyer that aired Monday on " Good Morning America ." “My right side [has] completely stopped working,” Dane said.