Ductal carcinoma in situ (DCIS): raising signposts on an ill-marked treatment path.

JNCI | Editorials 569 Some medical decisions are fairly straightforward. If you break a leg, the recommended treatment is a cast, elevation, and crutches. But if your breast biopsy leads to a diagnosis of ductal carcinoma in situ (DCIS), the treatment path is much less clear. A diagnosis of DCIS brings uncertainty. With the introduction of population-wide screening mammography, radiologists have increasingly recommended evaluation of subtle breast abnormalities. Concurrently, the incidence of DCIS has dramatically Ductal Carcinoma In Situ (DCIS): Raising Signposts on an Ill-Marked Treatment Path