A liquid biopsy is a fancy blood test that tries to find cancer signs without surgery, and it can tell you if certain treatments might work. But in my clinic, it is like hearing a faint rumour of a train in Hyderabad—knowing it is there does not help me find the tracks here. We rely on what we can see and feel, and on sending patients for scans they can afford. My old gym members show me real progress is measured by what you can lift today, not by a machine’s prediction.
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