Cover Story Sides dig in as ESA policy debate heats up Accelerated approval for Tasigna DEPARTMENTS Focus on Breast Cancer Experts disagree on taxane use in HER2-/ ER+ breast ca Prophylactic contralateral mastectomies are on the rise News & Analysis Dr. Norton hopes to weed 'molecular' tumor garden Focus on Hematology R-CHOP is standard of care for advanced DLBCL patients Focus on Colon Cancer Virtual colonoscopy: Is the validation phase finally over?