i read recently (Breast Cancer Trials website) that neither Australia nor New Zealand keep statistics on breast cancer recurrence. Just wondered why. It may be that there are too many variables to be ...
Thanks @primek, that’s what I thought. I recall a research project which didn’t factor in hormonal therapy treatment (how many took it, for how long) which pretty well killed off the usefulness of the data that was gathered! The studies do provide useful information, if not absolutely decisive. Educated guesswork is much better than pure guesswork!