Report summary

For University of Pittsburgh Department of Surgery in 2015-2017, the graph shows 75 visible PIs and 214 internal PI collaborations. The dominant subject mix is Medicine as the leading field (48% of slots across 62 PIs; 62 labels), Surgery as the leading subfield (12% of slots across 24 PIs; 24 labels), and Immunotherapy and Immune Responses as the leading topic (4% of slots across 8 PIs; 8 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Stephen F. Badylak (32.5 weighted works; Tissue Engineering and Regenerative Medicine, Electrospun Nanofibers in Biomedical Applications). The most visible ties are Daolin Tang and Rui Kang (18 shared works, weight 10.8). The standout breakdown groups are group 1 with 10 PIs, 11 internal connections, weight 51.4, around Surgery, Immunology, Public Health, Environmental and Occupational Health, led by David K. C. Cooper, Angus W. Thomson, Hidetaka Hara.