👉 Egranulose is a type of cancer that occurs in the lining of the blood vessels, specifically in the arteries and veins. It's called "granulose" because it looks like small white granules, which are like tiny white pills or flakes. These cells can grow out of control and spread throughout the body, causing pain, swelling, and sometimes death. Egranulose is a very rare form of cancer, and its symptoms may not be immediately obvious. It's usually diagnosed