Detailed information on actinic keratosis, including causes and treatment.

Leukemia is cancer that starts in the bone marrow. When a person has leukemia, the body makes too many abnormal blood cells. Learn more about symptoms, diagnosis, and treatments.

Adrenal cancer is a rare cancer that starts in the adrenal glands. You have 2 adrenal glands. One sits on top of each kidney. Learn more about symptoms, diagnosis, and treatments.

People who have AIDS are much more likely to get certain types of cancer than people without the disease.

Detailed information about causes, symptoms, diagnosis, and treatment of ampullary cancer.

The anus is the last part of the digestive tract. Most anal cancers start in the cells that make the inside lining of the anus. Learn more about symptoms, diagnosis, and treatments.

A-T is a rare childhood disease that affects the nervous system and other body systems.

Bladder cancer most often starts in the cells that make the inside lining of the bladder. Learn more about symptoms, diagnosis, and treatments.

A brain tumor is an abnormal growth of tissue in the brain. The brain is part of the central nervous system (CNS). The CNS also includes the spinal cord.

Breast cancer in men is rare—less than 1% of all breast cancer occurs in men.

The buccal mucosa is the lining of the cheeks and the back of the lips, inside the mouth where they touch the teeth. The use of tobacco and alcohol makes cancer in this area far more likely. The disease is treated with surgery, ...

Burkitt lymphoma is a rare, fast-growing form of non-Hodgkin lymphoma (NHL). It’s a type of cancer of the lymphatic system. The lymphatic system is part of the immune system. It helps to fight diseases and infections.

Carcinoid tumor is a rare type of tumor that grows slowly.

In carcinoma of unknown primary (CUP), doctors can’t tell where the cancer started. CUP has already spread by the time it’s diagnosed. Learn more about symptoms, diagnosis, and treatments.

Cervical cancer is cancer that starts in the cervix. Learn more about symptoms, diagnosis, and treatments.

Hair loss is a common side effect of chemotherapy. It can affect the hair on the head, and also the eyebrows, eyelashes, and facial and pubic hair. Not all chemotherapy causes hair loss. And not all children lose hair in the same way.

Chemotherapy is the use of medicines to treat cancer. The medicines can cause an inflammation of the lining of the mouth. The mouth is lined with mucous membranes. When these are inflamed, it’s called mouth mucositis.

Leukemia is cancer that starts in the bone marrow. When a person has leukemia, the body makes too many abnormal blood cells. Learn more about symptoms, diagnosis, and treatments.

Colorectal cancer is cancer that starts in either your colon or your rectum. Learn more about symptoms, diagnosis, and treatments.

Detailed information on cutaneous T-cell lymphoma, including symptoms, diagnosis, and treatment.

Endometrial cancer starts in the cells that form the inner lining of the uterus, which is called the endometrium. Learn more about symptoms, diagnosis, and treatments.

Ewing sarcoma is a rare type of cancer. It’s most common in children and teens between the ages 10 and 19. It usually grows in bone, but it can also grow in soft tissue that’s connected to the bone. This may include tendons, ligaments, ...

Ewing sarcoma is a type of cancer that most often starts in the bone. It can also start in soft tissues. Learn more about symptoms, diagnosis, and treatments.

Melanoma is a serious kind of skin cancer. This cancer involves cells called melanocytes. You also have melanocytes in your eyes. When these cells become cancerous, the condition is called intraocular melanoma. Learn about causes, risk ...

Primary eye cancer is a very rare kind of cancer that starts somewhere in or on the eye or in the skin of cells around the eye. Learn more about symptoms, diagnosis, and treatments.

The floor of mouth is a horseshoe-shaped area under the tongue, between the sides of the lower jawbone (the mandible). Cancer of the floor of mouth accounts for 28-35 percent of all mouth cancers. Men are diagnosed with floor of mouth ...

Gallbladder cancer starts in the cells that form the gallbladder. Learn more about symptoms, diagnosis, and treatments.

Germ cells form as a baby grows in the womb. The cells usually form the eggs (ova) in females and the sperm in males. Germ cell tumors are made up of these underdeveloped cells. The tumors may be cancer (malignant) or not cancer (benign).

Head and neck cancer is the term given to cancers that start in the head and neck region. Learn more about symptoms, diagnosis, and treatments.

Hepatoblastoma is a very rare cancer. It’s a tumor that starts in the liver. The cancer cells are similar to fetal liver cells. It usually affects children less than 3 to 4 years of age.