Report summary

For University of California, Los Angeles Department of Surgery David Geffen in 2018-2020, the graph shows 33 visible PIs and 47 internal PI collaborations. The dominant subject mix is Medicine as the leading field (56% of slots across 29 PIs; 29 labels), Surgery as the leading subfield (22% of slots across 18 PIs; 18 labels), and Organ Transplantation Techniques and Outcomes as the leading topic (7% of slots across 7 PIs; 7 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Aydogan Özcan (69.6 weighted works; Cell Image Analysis Techniques, Digital Holography and Microscopy); Peyman Benharash (60.8 weighted works; Cardiac, Anesthesia and Surgical Outcomes, Cardiac Arrest and Resuscitation). The most visible ties are Michael W. Yeh and Masha J. Livhits (32 shared works, weight 19.4); Melinda Maggard‐Gibbons and Christopher P. Childers (30 shared works, weight 18.3). The standout breakdown groups are group 1 with 10 PIs, 11 internal connections, weight 58.3, around Surgery, Cardiology and Cardiovascular Medicine, Pulmonary and Respiratory Medicine, led by Peyman Benharash, Christopher P. Childers, Masha J. Livhits; group 2 with 8 PIs, 16 internal connections, weight 48, around Surgery, Hepatology, Epidemiology, led by Sammy Saab, Jerzy W. Kupiec‐Weglinski, Ronald W. Busuttil.