Dr. Chang Gok Woo is an academic pathologist and associate professor at Chungbuk National University College of Medicine, Republic of Korea. His main research interests include cancer biomarkers, tumor microenvironment, molecular pathology, and translational oncology, with a particular focus on pancreatic and gastrointestinal malignancies. He has extensive expertise in immunohistochemistry, digital image analysis, whole-exome sequencing, and biomarker validation using clinical specimens. He has published widely in peer-reviewed international journals and serves as a reviewer for multiple biomedical journals. Through interdisciplinary collaboration, his research aims to improve diagnostic accuracy and prognostic stratification in cancer patients.