Report summary

For University of Wisconsin–madison Department of Radiology in 2015-2026, the graph shows 96 visible PIs and 533 internal PI collaborations. The dominant subject mix is Medicine as the leading field (55% of slots across 88 PIs; 88 labels), Radiology, Nuclear Medicine and Imaging as the leading subfield (22% of slots across 52 PIs; 52 labels), and Advanced MRI Techniques and Applications as the leading topic (7% of slots across 20 PIs; 20 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Weibo Cai (103.9 weighted works; Nanoplatforms for cancer theranostics, Radiopharmaceutical Chemistry and Applications); Perry J. Pickhardt (72.9 weighted works; Colorectal Cancer Screening and Detection, Bone health and osteoporosis research). The most visible ties are Ke Li and Guang‐Hong Chen (86 shared works, weight 48.6). The standout breakdown groups are group 1 with 10 PIs, 13 internal connections, weight 173.5, around Radiology, Nuclear Medicine and Imaging, Pulmonary and Respiratory Medicine, Biomedical Engineering, led by Perry J. Pickhardt, Martin G. Wagner, E. Jason Abel.