Assessment of chronic radiation proctopathy and radiofrequency ablation treatment follow-up with optical coherence tomography angiography: A pilot study.

While the mean hemoglobin concentrations were higher for the previously-treated patients compared to RFA-naïve patients, the difference did not reach statistical significance (mean: 13.7 ± 1.8 g/dL vs 12 ± 0.8 g/dL, respectively, P = 0.23). 4 out of 5 (80%) RFA-naïve patients presented with rectal bleeding at the baseline visit, while none of the previously-treated patients exhibited rectal bleeding.

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