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Fig. 1 | World Journal of Surgical Oncology

Fig. 1

From: Locally advanced rectal cancer receiving total neoadjuvant therapy combined with nivolumab: a case report and literature review

Fig. 1

Pretreatment imaging findings. A CS images. Two tumors and an accessory lesion between them were identified in the rectum. The large main tumor was a circumferential advanced cancer and located on the second Houston valve (5 cm from anal verge), causing severe stenosis (A1). The small tumor was an early cancer 2 cm in diameter and it was about 0.5 cm from the dentate line (2.5 cm from the anal verge ). The accessory lesion was an adenoma 0.3 cm in diameter (A2). B Axial CT image. There was misty mesentery surrounding the large tumor and many enlarged pararectal lymph nodes. C CT colonography with three-dimensional reconstruction. D MRI images. The large tumor was located at the peritoneal reflection, with irregularity of the serous surface. The anterior border of the tumor was close to the prostate. E PET-CT images. 18F-FDG uptake was detected in tumors and lymph nodes. SUVmax: large tumor, 16.07; small tumor, 13.41

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