That's why it is so important medical doctors comminicate this right. Unfortunately, most of them have a false understanding of the probability of cancer based

That's why it is so important medical doctors comminicate this right. Unfortunately, most of them have a false understanding of the probability of cancer based on a positive (other than B5) mammography. But this is a solveable problem. The "4B$" is a rather useless number. The same people would probably argue it's much cheaper to go to your local shaman instead of a medical doctor.