noun
open-heart surgery
Medical term for surgical procedures where the heart is opened and its internal structures are directly operated on.
開心術は心臓の弁膜症や先天性心疾患に対して行われる。
Open-heart surgery is performed for valvular heart disease or congenital heart defects.
Compound of 開 (open), 心 (heart), and 術 (technique/surgery). A straightforward medical term.