最終更新日：2025/12/01
During the procedure, the surgeon carefully advanced Maisonneuve's instrument to the site of the stricture, then gradually expanded it before exposing the concealed blade to incise the obstruction.
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During the procedure, the surgeon carefully advanced Maisonneuve's instrument to the site of the stricture, then gradually expanded it before exposing the concealed blade to incise the obstruction.
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