Which therapeutic cloning application is most likely a benefit to society

Therapeutic cloning means that it could be used to heal people so the best way to benefit the society while doing this would be to help cure diseases. Example would be cloning body parts and testing diseases on them and then developing medication that can help against them. Also you could clone exact body parts that fit you so you could have a new kidney or lungs if necessary that fit you perfectly.

If the experiment was perfomed more then once and you get the same results