内ない視し鏡きょう手しゅ術じゅつ

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Meanings

1

noun

endoscopic surgery

medicine

Medical term for minimally invasive surgery using an endoscope.

内inside, within, between

視inspection, regard as, see

鏡mirror, speculum, barrel-head

手hand

術art, technique, skill

内ない視し鏡きょう
内視鏡 is the endoscope itself, while 内視鏡手術 refers to the surgical procedure using it.
開かい腹ふく手しゅ術じゅつ
開腹手術 is traditional open surgery, contrasted with the minimally invasive 内視鏡手術.

Compound of 内視鏡 (endoscope) and 手術 (surgery).