
Columbia cancer surgeon faces multiple research retractions
This week, a major surgical oncology division at Columbia University faced a significant setback with the retraction of five research papers and a warning note attached to a sixth, highlighting ongoing research integrity issues at inside the institution. Dr. Sam Yoon, who led the division, has seen more than a dozen of his studies retracted due to questionable results since the first reports of data inconsistencies emerged earlier this year. The retractions center on allegations that Dr. Yoon and a junior researcher used duplicate images in multiple studies, falsely representing experimental results. This practice, which involves presenting data from one…