Report summary

For University of California, Irvine Department of Surgery in 2021-2023, the graph shows 20 visible PIs and 24 internal PI collaborations. The main research signal is Medicine as the leading field (74% of slots across 20 PIs; 20 labels), Surgery as the leading subfield (21% of slots across 11 PIs; 11 labels), and Pancreatic function and diabetes as the leading topic (5% of slots across 3 PIs; 3 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The most prominent PIs by weighted works are Jeffry Nahmias (28.5 weighted works; Trauma and Emergency Care Studies, Emergency and Acute Care Studies). The clearest collaboration lines are Areg Grigorian and Jeffry Nahmias (44 shared works, weight 18.4). The strongest breakdown groups are group 1 with 7 PIs, 7 internal connections, weight 27.1, around Pulmonary and Respiratory Medicine, Oncology, Emergency Medicine, led by Jeffry Nahmias, Areg Grigorian, Fares Al-Khouja.