How can doctors detect cancer at the earliest stage?
An oncologist shared a method to detect cancer at the "zero" stage. I'm curious what this method is and whether you can use it on your own?
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Regular screening tests - ultrasound, mammography, colonoscopy, blood work - that's what allows doctors to catch tumors at early stages, including precancerous conditions! On your own, you can only pay closer attention to changes in your body (new moles, lumps, unusual discharge), but only a doctor can confirm a diagnosis using biopsy and specialized equipment.
Actually, "stage zero" isn't quite cancer itself, but rather precancerous changes that haven't yet turned into a tumor, so the term is a bit conditional.
Screenings do help catch these conditions, but here's the catch: often cancer in very early stages doesn't show any symptoms at all, and you won't detect it on your own. Plus regular check-ups aren't a cure-all - the results depend on the type of cancer and honestly on luck too.
So the main thing is not to rely only on yourself, but to have a screening plan based on your age and risk factors, preferably discuss it with your doctor.
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