Siteman Cancer Center – based at Barnes-Jewish Hospital and Washington University School of Medicine in St. Louis – soon will open a new home for world-class cancer care. The nine-story, 657,250-square-foot building, located on the Washington University Medical Campus and dedicated exclusively to outpatient cancer care, will welcome its first patients Sept. 30. The state-of-the-art building, designed specifically with cancer patients in mind, incorporates an innovative model of care – the first for cancer care in the region.