PMC6925813_01
Radiologic data from a high-resolution pelvic MRI. Tumor of the lower rectum (1) situated on the anterior wall was observed on sagittal (a) and axial T2-weighted scans (b) with signs of mesorectal invasion (blue arrowheads) ranging up to 3 mm and no radiologic features of lymph node metastases (3). Vaginal stump and rectovaginal sept (2) had a significantly low intensity MR signal due to their fibrotic transformation. On a series of diffusion-weighted images (c), a significant delay of diffusion together with intense signaling on high b-factors was observed at the level of a tumor (blue arrowheads).
CRIONM2019-1610653.001.jpg
PMC6925813_01_CRIONM2019-1610653.001.jpg
fig1
No radiological signs of either mesorectal fascia involvement or extramural vascular invasion (mrCRM- and mrEMVI-) had been observed (see Figures 1(a) and 1(b)). MR signal on T2-weighted images. Malignant tumor features were also observed on a series of diffusion-weighted images (see Figure 1(c)).