OncoExpertAi Blog

Explore articles about the latest advances in cancer treatment, the role of artificial intelligence in diagnosis, and how our innovative services can offer you clarity and support.

Complete guide to BI-RADS (1-6) in mammography: what each category means and what comes after the result

You got your mammogram results and the sheet says “BI-RADS 4B” or “BI-RADS 3 — 6-month follow-up recommended.” Your heart stopped for a second. You immediately opened Google and started searching. If you recognize yourself in this situation, rest assured that you’re not alone — millions of women around the world go through the same […]

Specialized Gynecological Markers — Complete Patient Guide: From CA-125 and HE4 to L1CAM, BRCA and Liquid Biopsy

Have you recently received a result with values for CA-125, HE4 or maybe your doctor recommended BRCA1/2 testing and you don’t know what it means? Or the histopathology report mentions L1CAM, Ki-67 or MSI and you don’t understand why these terms are important for your treatment? This guide explains, in an understandable way, the most […]

Neuroendocrine and endocrine markers: a complete guide for patients (Calcitonin, Chromogranin A, 5-HIAA and Metanephrines)

Have you had tests and seen elevated values such as “calcitonin”, “chromogranin A”, “5-HIAA” or “metanephrine” and don’t understand what they mean? These tests seem complicated, but behind them lies a simple principle: some tumors (called neuroendocrine) produce excess hormones, and these hormones can be measured in the blood or urine. But remember the basic […]

Liquid biopsy (circulating tumor DNA / ctDNA): the revolution in modern oncology explained in a way that everyone can understand

Have you heard that cancer can be “tracked” through a simple blood test, without a painful biopsy? It’s not science fiction, but the reality of 2026. It’s called liquid biopsy and it represents one of the most important innovations in the history of oncology. This guide explains, in a way that everyone can understand, what […]

Tumor markers in lung cancer and neuroendocrine tumors: a complete guide for patients (CYFRA 21-1, NSE, ProGRP, Chromogranin A)

Have you done tests and seen elevated values such as “CYFRA 21-1”, “NSE” or “ProGRP” and got scared? Or are you a smoker and wondering what these “pulmonary” markers mean? First of all, remember a basic principle valid in 2026: tumor markers are not used for screening in healthy people and, taken individually, cannot diagnose […]

Tumor markers in breast cancer: a complete guide for patients (CA 15-3, HER2, ER/PR receptors)

Have you been diagnosed with breast cancer and your test report includes terms like “CA 15-3”, “HER2 positive”, “ER+”, “PR+” or “Ki-67”? These acronyms may seem intimidating, but behind them lies the exact “key” that allows your doctor to choose the right treatment for you. The most important news: breast cancer markers are not used […]

Tumor markers in digestive cancers: a complete guide for patients (CEA, CA 19-9, CA 72-4 and AFP)

Have you done tests and seen values such as “CEA”, “CA 19-9” or “AFP” increased? Before you panic, it is essential to know a basic principle valid in 2026: these markers are not used for screening in healthy people and, taken individually, cannot diagnose cancer. Their true value appears in monitoring treatment and tracking the […]

Elevated PSA: When is a prostate biopsy needed and when is it NOT? Complete guide for patients

Did you get an “elevated PSA” result and your family doctor told you to go to a urologist? Before you panic, you need to know one essential thing: an elevated PSA does not automatically mean cancer . In fact, the most common causes of an elevated PSA are benign. This guide explains in a way […]

Tumor markers and their role: a complete guide for patients and implications for therapy

Have you received a blood test with an elevated “tumor marker” and are you scared? Or has your doctor asked you to monitor a marker during treatment and you don’t understand why? This guide translates into simple words what tumor markers are, what their values mean, and — most importantly — how they help guide […]

Gleason Score and Grade Group: Complete Guide to Understanding Your Prostate Biopsy Result

Receiving a diagnosis of prostate cancer is a difficult time, filled with emotions and questions. The medical report you receive, called a histopathology report, contains complex terms that can add an extra layer of confusion and anxiety. One of the most important indicators on this report is the Gleason score . This article, created specifically […]

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