Male 57 years old Reason: rectal cancer staging History: none Overall image quality: ExcellentPELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted. LYMPH NODES: Lymph nodes in the perirectal space, within the mesorectal fascia: There are multiple small lymph nodes measuring up to 6 mm in short axis.Lymph nodes outside the mesorectal fascia: There is a single enlarged left obturator internus lymph node which measures 9 x 10 mm. This is located 6 mm from the mesorectal fascia.BOWEL, MESENTERY: Rectal Tumor:Size: 3.7 x 1.7 x 2.6 cm (image 30/series 701)Tumor appearance on T2-weighted images: Hyperintense to the bowelTumor location: Inferior rectum(For lower rectal tumors):Distance of the lower edge of the tumor to the anal verge (lower edge of the anal canal): 3.3 cmCircumference of the rectum involved: 270 degreesRelationship and proximity of the tumor to adjacent structures (prostate, seminal vesicles): 4 mm from the prostateTumor Distance to Mesorectal Fascia: 1.9 cm (image 41/series 501).BONES, SOFT TISSUES: No significant abnormality noted.OTHER: The posterior and lateral aspects of the tumor margin are indistinct suggesting invasion of the mesorectal fat (image 40 series 501)
1.Tumor involving the lower rectum with measurements and position as described. There are scattered small nodes within the mesorectal fascia is well as a single enlarged left obturator internus lymph node external to the mesorectal fascia concerning for metastatic disease.