Posted: Jun 14, 2012 8:24 am
]The first thing she noticed was that when D.C.I.S. broke free of a milk duct, the duct’s outer layer had broken down. It could be that the duct falls apart because the cancer is bursting out. Or it could be that the cancer is escaping the duct because the outer layer disintegrated — which is what her research showed. As long as the milk duct is intact, D.C.I.S. cells cannot escape.
Charlie, what they describe here is one of the body's anti-cancer mechanisms, which limit a malignant tumour's ability to grow and spread. This one seems to be specific to breast cancer. The cell causing the problem is still diseased, even if that disease can sometimes be kept in check.