One can imagine cancer as looking like a disgusting disease that is abhorrently abnormal and out of place in the body. The truth is that until it takes hold in a major way, cancer is a hard illness to easily notice. One of the only ways to figure out if someone has cancer is to look at their cells on a molecular level. By seeing changes in shape here, it is much easy to know if someone is suffering.
Here are a selection of images that show what different types of cancer cells look like and just how hard it can be to notice if someone has a certain cancer.