The lower segment of the rectum is approximately 3.8 cm away from the anal edge, with eccentric thickening of the intestinal wall and nodular changes; The cross-sectional size is about 1.6 X I.4 cm, and the upper and lower diameters are about 1.3 cm; DWI and ADC images show mild diffusion limitation, with significantly uneven enhancement on enhanced scans.<br>Multiple enlarged lymph nodes can be seen in the pelvic cavity, with the larger one located next to the left iliac artery, with a cross-sectional size of approximately 3.5 X 2.6 cm; The DWI and ADC images show limited diffusion, and the enhanced scan shows significant uneven enhancement.<br>The bladder is well filled, with slightly thickened walls, and no obvious abnormal signal lesions are found inside.
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