Cancer is a group of diseases caused by abnormalities in the body's cells in DNA or genetic material. resulting in cell growth It divides to increase the number of cells faster and more than usual, so it may cause abnormal lumps. and finally will causing the death of cells in the lump Due to lack of blood supply because of the growth of blood vessels. If these cells occur in any organ, it is called cancer by that organ, such as lung cancer, brain cancer, breast cancer, cervical cancer, leukemia, lymphoma. and skin cancer, etc.

As reported at present, there are more than 100 types of cancer found in the human body. Each type of cancer has a different disease progression, for example, lung cancer and brain cancer have a more severe disease progression. Patients have a shorter survival than skin cancer patients, etc. Therefore, cancer screening is an early prevention. Finding the germs early, treating them early, has a chance of being cured before they become malignant.