Individual tests

Lung cancer includes small-cell lung cancer (SCLC) and non-small-cell lung cancer (NSCLC). Only about 15% of lung cancers are SCLC. Pro-GRP is sensitive to SCLC diagnosis. High marker levels are related to a high disease burden.
Progesterone is a hormone from the ovaries. During a normal menstrual cycle, progesterone prepares your uterus for pregnancy. This test is useful for those having trouble getting pregnant, undergoing fertility treatment, or experiencing abnormal bleeding when not pregnant.
Prolactin is a pituitary gland hormone that causes the breasts to grow and produce milk. If prolactin levels are higher than normal, it often means there is a type of tumor of the pituitary gland. This test is often used to diagnose a prolactinoma, find the cause of a woman's menstrual irregularities and/or infertility, or determine the reason for a man's low sex drive and/or erectile dysfunction.
Squamous cell carcinoma (SCC) of the skin is the second most common skin cancer, characterized by abnormal, accelerated cellular growth. This cancer begins in squamous cells, found in the tissue that forms the skin's surface and the passages of the respiratory and digestive tracts. This test helps evaluate and monitor squamous cell carcinoma of the head, neck, lung, and cervix.
SHBG is a protein that attaches to sex hormones in your blood. When the SHBG protein binds to sex hormones, your tissues can't use those hormones. Your tissues can only use free sex hormones that aren't attached to SHBG. The test is most often used to gather information about how testosterone is working in the body.
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