Unfortunately, pancreatic cancer is the most lethal form of gastrointestinal malignancy.

yes they are because you might develop cancer

Gastrointestinal bleeding can be caused by bleeding in the any part of the upper and lower GI tracts. It can also be caused by hemorrhoids, colon or stomach cancer, and gastric ulcers.

I've done a lot of research into this. I'm not 110% sure but from what I've gathered gastrointestinal cancer can affect so many different parts of the body that you tend to just go with the color associated with that body part's cancer. For example, my dad recently died of gastrointestinal cancer. It hit mostly his colon and his stomach. Colon cancer is blue so I've gone with blue for all the cancer support I do for him. I hope this helps

Asbestos exposure has been linked with many diseases. The most common are mesothelioma, lung cancer. gastrointestinal cancer, and asbestosis.