Report summary

For University of Chicago Department of Surgery in 2018-2020, the graph shows 63 visible PIs and 87 internal PI collaborations. The dominant subject mix is Medicine as the leading field (54% of slots across 57 PIs; 57 labels), Surgery as the leading subfield (19% of slots across 31 PIs; 31 labels), and Aortic Disease and Treatment Approaches as the leading topic (3% 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 Husam H. Balkhy (28.7 weighted works; Cardiac and Coronary Surgery Techniques, Cardiac Valve Diseases and Treatments). The most visible ties are Takeyoshi Ota and Nir Uriel (42 shared works, weight 19.9); Nir Uriel and T. Song (42 shared works, weight 19.1). The standout breakdown groups are group 1 with 10 PIs, 10 internal connections, weight 25.5, around Pulmonary and Respiratory Medicine, Surgery, Public Health, Environmental and Occupational Health, led by Ross Milner, Piotr Witkowski, Jennifer F. Tseng.