Report summary

The 2021-2023 picture for University of California, Los Angeles Department of Radiation Oncology is a 26-PI network with 112 internal PI collaborations. The research center of gravity is Medicine as the leading field (45% of slots across 23 PIs; 23 labels), Pulmonary and Respiratory Medicine as the leading subfield (24% of slots across 16 PIs; 16 labels), and Advanced Radiotherapy Techniques as the leading topic (14% of slots across 11 PIs; 11 labels). This is a solid, readable collaboration map: group-level fit matters more than a single department-wide label. The top weighted PIs are Amar U. Kishan (34.9 weighted works; Prostate Cancer Diagnosis and Treatment, Advanced Radiotherapy Techniques). The strongest pairings are Amar U. Kishan and Michael L. Steinberg (56 shared works, weight 22.3). The standout breakdown groups are group 1 with 10 PIs, 15 internal connections, weight 114, around Radiation, Pulmonary and Respiratory Medicine, Oncology, led by Amar U. Kishan, Luca Valle, Ann C. Raldow.