Methods: Therefore, we propose a novel and robust Dual-stream Disentangled Network (D2Net) for retinal OCTA microvascular segmentation. Specifically, the D2Net includes a dual-stream encoder that ...

This is called an anastomotic stenosis. It’s also known as a stricture. It's not clear why stenosis occurs after gastric bypass surgery. But it is most likely to occur 3 to 4 weeks after the surgery.