CANCERSNOOP TEST GUIDE A PET scan in cancer care can show where tissue is unusually active. It cannot tell you by itself whether that activity is cancer. PET/CT can be extremely useful for staging cancer, investigating possible recurrence and assessing…
More testing is not necessarily better surveillance. Evidence suggests that very frequent CEA testing and imaging after colorectal cancer treatment does not automatically improve outcomes. CEA works best as one part of the wider follow-up picture.
Liquid biopsy can detect tumor-related material in blood and is already helping guide some cancer treatments. Here’s where the technology is genuinely useful, where the evidence is still developing, and what a blood test cannot tell you.