PMC3900671_01
Radiological findings of the primary tumour. CT scan and Pet-scan of the rectal tumour prior to chemotherapy.
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F1
A 66-year old man presented with an adenocarcinoma of the rectum located 10 cm from the anal verge (uT3N1) (Figure 1).
Computed tomography scan of liver metastases prior and after surgery: axial view A- H). Liver metastases in all liver segments except segment 1. I) CT scan after surgery. extended right hepatectomy showing no recurrence.
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F2
Thoraco-abdominal PET/CT scan revealed nine liver metastases (Figure 2).
Radiological appearance, operative specimen and histological profile of the primary tumour. A. Pre-treatment PET scan showing hypermetabolic lesion of the mid rectum. B. Operative specimen of low anterior resection showing a fibrous scar in the mid rectum. C. Histological analysis of the operative specimen, showing the absence of tumour cells and the presence of fibrous tissue within the partially reepithelialised rectal wall.
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F3
All 15 removed lymph nodes were free of tumour, and the final tumour stage was therefore ypT0N0M0 (Figure 3).