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[Gastric cancer 405]

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Ovary and salpinx, left oophorectomy, left salpingectomy, omentectomy, peritonectomy and total hysterectomy:
. Signet ring cell carcinoma, metastatic versus primary (see note) ;
   1) Tumor size: 3.2x2.5x1.0 cm (left ovary)
   2) Ovarian surface involvement: present
   3) Involvement of left ovary and salpinx, uterus and "adhesion band"
   4) No involvement of peritoneum and omentum
   5) Lymphovascular invasion without D2-40 immunohistochemistry: Positive (frequent)
Omentum, omentectomy: no evidence of malignancy
Adhesion band, biopsy: tumor present
Peritoneum, peritonectomy: no evidence of malignancy

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