Author

Sangwon Lee

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Open access Oct 2026

Five-year survival following endoscopic submucosal dissection and gastrectomy in older early gastric cancer patients in the U.S.

Gastric cancer remains a major global cancer burden and continues to contribute to cancer-related morbidity and mortality in the U.S. It predominantly affects older adults, with a median age at diagnosis of approximately 68 years and nearly 60% of cases occurring in individuals aged 65 years or older. Endoscopic subm...

Yun-Tong Wang, Sangwon Lee, Ji-Yu Sun et al. · Scientific Reports · 0 citations

Jul 2026

Assessing penalized approaches for estimating causal treatment effects under extremely limited overlap in oncology.

In oncology subgroups where low treatment prevalence and limited effective overlap lead to unstable or non-convergent LRMs, penalized regression approaches provide a practical strategy for improving ATO estimation.

Sangwon Lee, H. Chae, Dong-woo Choi et al. · Cancer Epidemiology · 0 citations