Dealing with a family member

Hi just joined here.

my dads had his voicebox removed last year. He didn't drink or smoke. Sad times. 
we found out yesterday he's not eligible for any more treatment. 
I'm just reaching out to like minded people. 
im struggling to accept it. Feel like a rubbish daughter as I don't know what to say. I've been there all the way through his radio therapy and his journey. 
now I'm scared to face him. 
i know this isn't about me. Hope this makes sense