Healthcare costs are on the rise globally. And factors such as the increase in aging population, advancement in medical technology, and the current reimbursement system contribute to this rise. In addition, we see a lack of cost transparency and understanding centred around costs. A new study by doctoral researcher Erin Roman, Professor Brecht Cardoen and Professor Filip Roodhooft analyses the variability in treatment costs for breast cancer, using several patient and disease related factors, to better understand cost drivers.