Medically reviewed by Marla Anderson, MD Stomach cancer—or gastric cancer—occurs when cells in the lining of the stomach wall mutate and grow uncontrollably. The stomach wall has five layers, and ...

Dr. James Lim, associate professor of pediatrics at UBC’s faculty of medicine, observes pediatric cancer cells grown in a ...

It’s the most common type of noninvasive breast cancer. DCIS is graded (classified) based on what the cells look like under a microscope. The higher the grade, the more it looks different from normal ...