Report summary

For University of Michigan–ann Arbor Department of Urology in 2015-2026, the graph shows 80 visible PIs and 632 internal PI collaborations. The dominant subject mix is Medicine as the leading field (50% of slots across 69 PIs; 69 labels), Pulmonary and Respiratory Medicine as the leading subfield (14% of slots across 29 PIs; 29 labels), and Prostate Cancer Diagnosis and Treatment as the leading topic (6% of slots across 15 PIs; 15 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Arul M. Chinnaiyan (73.9 weighted works; Cancer Genomics and Diagnostics, Cancer-related molecular mechanisms research); Daniel E. Spratt (70.6 weighted works; Prostate Cancer Diagnosis and Treatment, Prostate Cancer Treatment and Research). The most visible ties are Arul M. Chinnaiyan and Rohit Mehra (69 shared works, weight 32.1); Sarah T. Hawley and Lauren P. Wallner (61 shared works, weight 30.9). The standout breakdown groups are group 1 with 10 PIs, 18 internal connections, weight 254, around Pulmonary and Respiratory Medicine, Molecular Biology, Cancer Research, led by Arul M. Chinnaiyan, Daniel E. Spratt, Todd M. Morgan; group 2 with 9 PIs, 9 internal connections, weight 123.3, around Economics and Econometrics, Pulmonary and Respiratory Medicine, Oncology, led by Sarah T. Hawley, Lauren P. Wallner, Ted A. Skolarus.