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The procedure the surgery adopted was to extract the fetus first and then proceed with a salpingo-oophorectomy of the tumor-affected uterus—a plan that was determined after discussion between Daimon Michiko, Jounouchi Hiromi, and Chen Yu.
Before the operation, Daimon Michiko and Chen Yu did consider another surgical approach, which was to remove the tumor and adnexa of the uterus before delivering the fetus. However, they worried that if the tumor ruptured during surgery, it could affect the fetus. After discussing it further and consulting with Egawa Sae herself, they decided to extract the fetus first, followed by the tumor removal.
