Plain-language educational articles for patients, families, and friends. Educational information only—not medical advice.https://onco-compass.com/enhttps://onco-compass.com/articles/what-is-biomarker-testing/https://onco-compass.com/articles/what-is-biomarker-testing/An introduction to biomarker testing in cancer care, in plain language.Tue, 21 Jul 2026 00:00:00 GMThttps://onco-compass.com/articles/what-is-cancer/https://onco-compass.com/articles/what-is-cancer/This plain-language guide explains that cancer describes a group of diseases where cells grow in ways they should not. It distinguishes this process from everyday illnesses and reminds readers to consult their care team for personal medical advice.Wed, 22 Jul 2026 00:00:00 GMT