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THE CANCER-TYPE LIBRARY · 32 GUIDES

Understand the diagnosis. Prepare your questions.

If you have just received a diagnosis—or you are helping someone you love—you do not need to make sense of everything at once. Start with a plain-language guide to the diagnosis, staging, treatment decisions, supportive care, and questions worth taking to the next appointment.

EXPLORE ALL GUIDES

Browse by area of the body

These plain-language groups help narrow the complete A–Z list.

3 cancer guides

1–3 of 3

Showing: Letter M

Skin

Melanoma

Melanoma is a cancer of melanocytes, the pigment-producing cells found mainly in skin. It is less common than basal cell and squamous cell skin cancers but is more likely to invade nearby tissue or…

Source information checked 2026-10-01Read guide
Chest & lung

Mesothelioma

Mesothelioma is a rare cancer of the mesothelium, the thin lining around organs. It most often arises in the pleura around the lungs and less often in the peritoneum of the abdomen. Asbestos exposure…

Source information checked 2026-09-29Read guide
Blood & lymphatic system

Multiple myeloma

Multiple myeloma is a cancer of plasma cells that usually involves multiple areas of bone marrow and can produce an abnormal monoclonal protein. It may damage bones, kidneys, blood-cell production, or immune function. Possible…

Source information checked 2026-09-29Read guide

These guides provide general educational information. They cannot determine a diagnosis or treatment plan. Discuss symptoms, test results, and treatment decisions with qualified clinicians who know your situation.

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