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MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.

MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.

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Lung Cancer - National Library of Medicine

... symptoms. It may be found during a chest x-ray done for another condition. If you do ... exam Certain imaging tests, such as a chest x-ray or chest CT scans Lab tests, including ...

Scoliosis - National Library of Medicine

Scoliosis causes a sideways curve of your backbone, or spine. These curves are often S- or C-shaped. Scoliosis is most common in late childhood and the early teens, ...

Angioplasty - National Library of Medicine

... tube through the vessel to your heart, using x-rays as a guide. Inject contrast dye inside ... highlights your heart and blood vessels in the x-rays. Replace the first tube with another one ...

Blood Clots - National Library of Medicine

... test. May order imaging tests, such as Ultrasound. X-rays of the veins (venography) or blood vessels ( ... special dye. The dye shows up on the x-ray and allows the provider to see how ...