Menke, M.B.

margin hospital cancer patient breast margin status tumor case mix correction surgery status percentage breast cancer patients signi ficant netherland treatment breast cancer target correction limit quality agreement result fi rst bcs fi rst surgery dutch indicator signi information value number breast-conserving ficant proportion variation risk factors factor quality indicator carcinoma 10 hospitals characteristic target value guideline table breast-conserving surgery ductal surgeon breast cancer care classi 0.0 multifocality breast cancer res netherlands cancer registry case mix adjustment classi fication study analyses case mix inked surface registry re-excision finition resection fication nodal multivariate level difference ductal carcinoma classi fied nodal status 1.0 histological subtype surface hospital level health oncol tumor size pathologist utrecht inked