They are using organs that were taken by force in their organ transplant surgeries.
They are using organs that were forcibly taken in their organ transplant surgeries.
「臓器」は英語で “organ” と言います。楽器のオルガンとスペルが一緒です。「移植手術」は “transplant surgery” と言います。「強制的」は “forced” と言って、 “against one’s will” も使えます。例えば “My father didn’t donate his kidney! It was taken against his will!” （父は腎臓を提供したんじゃない！無理やり奪い取られました！）
アメリカ合衆国 
