Conversation: The conversation between human and AI assistant.
[|Human|] Hi, may I answer your health queries right now ?  Please type your query here...my father has to undergo liver transplant .he is 52 years old and his blood group is AB+.which blood group doner can give him his liver .can a person of age 27 give him what r the risks involved for both the doner and the reciptent.
[|AI|]  Hi, Recipients with blood type AB can receive a kidney from blood types A, B, AB and O (AB is the universal recipient). Also, he can receive it from 27 years old. Risk are higher for recipient but in most cases surgery goes well and there are no serious complications. I hope I have answered you query. If you have any further questions you can contact us in every time. Wish you a good health. Kindly regards, Ivan R. Rammstein