Dr. Sisse Njor is Professor at the Department of Regional Health Research, University of Southern Denmark and Associate Professor at the Institute of Clinical Medicine, Aarhus, Denmark. Dr. Njor is a senior researcher at the Department for Data, Innovation and Research, Vejle Hospital. Her research areas include cancer screening, including breast, colon cancer and cervical cancer, register-based research, cancer prevention, statistics, epidemiology, and public health. Dr. Njor is engaged in several research activities, including the assessment potential benefits and harms of the utilization of individualized cut-off values in colorectal cancer screening and quality of screening colonoscopies, mammography screening of breast cancer survivors, optimization of cancer screening recommendations, among others, and is currently leading an ICSN working group to assess the optimal recall rate in breast cancer screening.