vessel color, form, location of the NBVV in the ulcer crater, and location of the ulcer in the stomach. The re-bleeding rate was then analyzed for each type of NBVV. Results: Significantly high ...

A bulge in the lower part of the aorta. Aorta is the largest blood vessel running from the heart through the chest and abdomen. The exact cause of AAA is currently unknown, but smoking ...

When the vessels were located in the central quarter of the ulcer they were classified as central-type NBVV. A representative vessel from each category is shown in Figure 1.