출혈 위험성으로 조직검사는 시행하지 않았고 내시경을 통한 임상적 진단 및 출혈부위를 지혈 후 검사 종료하였다.
The biopsy was not performed due to the risk of bleeding, and the examination was terminated after clinical diagnosis through endoscopy and hemostasis of the bleeding site.