Admitted to Hospital

What is are the formal and informally normal expressions?

Clinical unit at hospital. Admitted to Hospital.
입원하다.
통원치료하다.
퇴원하다.
Evacuation from hospital 이라는 표현을 실제 퇴원하다라고 쓰이는지 여부.

Hi Lauren!

I am not quite sure what you are asking. Do you mean what are the formal and informal expressions for being admitted to a hospital?

In that case you can say either admitted to the hospital or hospitalized.

Have a great day! 

~Teacher Courtney~