내시경이라는 기구를 신체 내부로 삽입하여 장기나 조직을 직접 관찰하는 검사 방법.
A medical procedure in which a specialized instrument is inserted into the body to visualize internal organs or tissues.
예문:
"The surgeon used endoscopy to remove a small polyp from the patient's colon."
"Modern endoscopy allows for real-time imaging of the digestive tract without major incisions."
"Before the endoscopy, the nurse explained the sedation process to the patient."