Fig. 1

Images and the surgical specimens obtained in the first and second surgeries. a CT, b MRI, and c PET/CT revealed a pelvic tumor involving the sigmoid colon, multiple liver tumors, ascites, and swollen para-aortic lymph nodes. d Colonoscopy showed wall edema and stenosis. e A specimen obtained by partial resection of the greater omentum. f MRI and PET/CT after TC therapy revealed a small pelvic tumor of 2.6 cm in diameter. g Specimens obtained by simple hysterectomy with bilateral salpingo-oophorectomy and partial resection of the omentum. h The findings at the third surgery for an incidental intestinal obstruction