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Find the average density of a red giant star with a mass of 20 * 1030 kg (approximately 10 solar masses) and a radius of 150 *109 m (equal to the Earth's distance from the sun) .
Carcinoma Lesion
A malignant lesion or tumor that arises from epithelial cells, often found in the skin or lining of internal organs.
Prostate-specific Antigen
A protein produced by the prostate gland, elevated levels of which can indicate prostate cancer or other prostate disorders.
Transrectal Ultrasound
An imaging test using sound waves to create pictures of the prostate gland and surrounding tissues, performed by inserting a probe into the rectum.
Prostate Biopsy
A procedure where small samples of the prostate gland are removed to be examined under a microscope for cancer or other conditions.
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