‘Really terrified’: how a blood test could spare cancer patients an agonising wait

In the second of a four-part Health Matters wellness series on frontier medicine in Hong Kong, Fiona Sun looks into how a new PCR system can detect cancer, infections and birth defects within hours, and what it will take to bring such laboratory breakthroughs to patients. Part one can be found here. It began with a pimple-like lump on Audrey Kwan’s neck. Within a month, it had swollen to the size of a table tennis ball. But it took blood tests, a biopsy and CAT scans before the Hongkonger, then...