Cancer is a disease where cells grow rapidly without any control. These cells may invade or destroy healthy tissues surrounding the diseased part in the body. Some of the most common types of cancer are breast cancer, colorectal cancer, lung cancer, and skin cancer. Cancer patients may experience signs and symptoms such as a painless lump, unexplained weight loss, loss of appetite, fatigue, abnormal bleeding, changes in bowel habit, cough and changes in the appearance of a mole. Risk factors for cancers are increasing in age, being overweight or obese, family history of cancer, previous exposure to a high dose of radiation, and previous history of any other cancer. Treatment of cancer will depends on the type and location of the cancer growth, your overall health, and your preference. Types of cancer treatment are surgical removal of the growth, chemotherapy, radiotherapy, targeted therapy, photodynamic therapy, immunotherapy, and supportive care.