Papers
32
Total Citations
1,042
H-Index
16
About
Hiroyasu Kagawa is a pioneering surgical oncologist whose work has significantly advanced the field of robotic-assisted surgery for rectal cancer. Based primarily at a high-volume center in Japan, Kagawa has dedicated his research career to rigorously evaluating the clinical value, technical challenges, and oncological outcomes of robotic surgical platforms compared to conventional laparoscopic and open approaches. His most influential contributions include foundational studies on the learning curve for robotic rectal surgery — quantified using cumulative sum methodology — and a series of comparative investigations demonstrating robotic surgery's advantages in complex procedures such as lateral lymph node dissection, a technically demanding operation particularly relevant in Japanese surgical practice. These works have collectively accumulated over 700 citations, reflecting their widespread influence on surgical decision-making globally. Kagawa has also broken important ground in identifying patient-specific factors that predict surgical difficulty, notably demonstrating that mesorectal fat area and visceral obesity meaningfully affect robotic operative outcomes. His longitudinal studies capturing both short- and long-term results across large patient cohorts have provided the surgical community with robust, real-world evidence supporting robotic rectal surgery as a safe and oncologically sound approach, helping to shape modern minimally invasive colorectal surgery standards.
Research Focus
Key Achievements
Top Papers
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10