Surgery

I just had surgery last Wednesday and my stepson graduates high school tomorrow, he didn’t invite his ex step mom cause she was abusive, he doesn’t know his bio mom, I’ve been his one mother figure that feels like a mom to him and now my mom and mother in law are telling me I should stay home from his graduation because of my surgery. But I can’t NOT be there to support him! Do I go and deal with the consequences (more pain/slower healing) but make him happy? Or do I break his little heart and tell him I can’t go?