Lip cancer often appears as a sore on your lip that doesn't heal. Learn about lip cancer treatments, including surgery, radiation and chemotherapy.
Disease
Liver cancer
Learn how doctors use surgery, liver transplant, radiation, chemotherapy and other methods to treat hepatocellular carcinoma and other types of liver cancer.
Disease
Lobular carcinoma in situ (LCIS)
If a breast biopsy reveals you have LCIS, your risk of breast cancer is increased. Learn how you can reduce your risk through medications and other strategies.
Disease
Low sperm count
This health concern can make it challenging to start a pregnancy. Learn about possible causes and treatment.
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Lung cancer
Learn about the symptoms, diagnosis and treatment for this deadly form of cancer.
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Male breast cancer
Breast cancer can affect anyone. Learn about the signs and symptoms of this cancer. Treatment most often involves surgery.
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Mantle cell lymphoma
Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
Disease
Menstrual cramps
Menstrual cramps — pain in the lower abdomen just before or during menstrual periods — can range from mild to severe. Learn about treatment options.
Disease
Merkel cell carcinoma
Learn about this skin cancer that grows quickly. Find out about symptoms, diagnosis and treatments, including Mohs surgery, radiation and immunotherapy.
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Metastatic (stage 4) prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
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Metastatic castration-resistant prostate cancer (mCRPC)
Learn about treatments for prostate cancer that no longer responds to hormone therapy. Options include chemotherapy, radiopharmaceutical therapy and others.
Disease
Microscopic colitis
Ongoing, watery diarrhea could be a sign of this condition of the colon. Find out about testing and treatment.