Toddler health
Learning Center
Endoscopic ultrasound
Learn more about this minimally invasive imaging test combining endoscopy and ultrasound to diagnosis digestive and lung diseases.
Stress test
This test gives important information about your heart health. Know how to prepare and what to expect.
Video: HSG test for female infertility
Video animation shows the HSG test — an X-ray study to identify causes of female infertility.
Hematocrit test
Learn about this red blood cell blood test, including why it's used and what to expect.
Video: Endovenous thermal ablation
Video showing endovenous thermal ablation procedure to treat varicose veins.
PSA test
Learn about this prostate cancer screening test, including why it's done, what to expect, risks and results.
Sentinel node biopsy
Learn what to expect during this procedure to remove lymph nodes for testing. The results can show whether cancer has spread.
Hodgkin's vs. non-Hodgkin's lymphoma: What's the difference?
Learn how types of lymphomas are determined using lab tests to examine cancer cells.
Pap test: Can it detect ovarian cancer?
Unfortunately, there is no standard or routine screening test for ovarian cancer.
Gastrointestinal stromal tumor (GIST)
Learn about this type of cancer that usually happens in the stomach or small intestine. Treatments often include surgery and targeted therapy.
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