Report summary

For University of Wisconsin–madison Department of Radiology in 2024-2026, the graph shows 36 visible PIs and 38 internal PI collaborations. The dominant subject mix is Medicine as the leading field (51% of slots across 33 PIs; 33 labels), Radiology, Nuclear Medicine and Imaging as the leading subfield (18% of slots across 17 PIs; 17 labels), and Advanced MRI Techniques and Applications as the leading topic (5% of slots across 5 PIs; 5 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 (12.8 weighted works; Radiopharmaceutical Chemistry and Applications, Nanoplatforms for cancer theranostics); Perry J. Pickhardt (12.6 weighted works; Hip and Femur Fractures, Liver Disease Diagnosis and Treatment). The most visible ties are Martin G. Wagner and Paul F. Laeseke (18 shared works, weight 8.1); Diego Hernando and Scott B. Reeder (15 shared works, weight 6.9). The standout breakdown groups are group 1 with 10 PIs, 10 internal connections, weight 21.1, around Cardiology and Cardiovascular Medicine, Biomedical Engineering, Radiology, Nuclear Medicine and Imaging, led by Perry J. Pickhardt, Martin G. Wagner, Prashant Nagpal.