Understanding Lab Tests for Certain Cancers
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Cancer is a complex group of diseases characterized by abnormal cell growth. While there is no single blood test that can diagnose all types of cancer, blood testing plays a fundamental role in monitoring how cancer may affect the body's protein levels, nutritional status, and metabolic processes.
Top Recommended Test
Albumin
This test measures albumin, a major blood protein produced by the liver. Certain types of cancer can cause low albumin levels because the body may consume albumin at a faster rate, or the cancer may interfere with the liver's ability to produce adequate amounts. Monitoring albumin levels helps assess nutritional status and overall protein balance in cancer patients.
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Why Blood Testing is Important in Cancer Care
Certain cancers can significantly impact the body's protein production and iron metabolism. Blood tests are essential for assessing these changes, monitoring nutritional status, and understanding how the body is responding to the disease. These tests help healthcare providers track important biomarkers that may be altered by cancer's presence.
Other Relevant Tests
Transferrin
This test measures transferrin, a protein that transports iron throughout the body. Some cancers, particularly lung or ovarian cancer, may cause elevated transferrin levels as the body attempts to meet the increased iron demands of rapidly dividing cancer cells. This test helps monitor iron metabolism and the body's response to cancer.
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Understanding the Results
Changes in albumin and transferrin levels can indicate how cancer is affecting your body's protein production and iron metabolism. Low albumin may suggest nutritional challenges or liver function changes, while elevated transferrin may reflect increased iron demands from cancer cells. These tests provide valuable information for managing overall health during cancer care.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment. Cancer diagnosis requires comprehensive evaluation including imaging, biopsies, and other specialized tests in addition to blood work.
