Comparing the Costs of Surveillance of Early-Stage Breast Cancer by Digital or Traditional Follow-Up Methods: Randomized Crossover Study

Maria Peltola   ¹ , MD ;   Carl Blomqvist   ^{1 †} , MD, PhD ;   Niilo Färkkilä   ² , MSc, PhD ;   Paula Poikonen-Saksela   ¹ , MD, PhD ;   Johanna Mattson   ¹ , MD, PhD

¹ Helsinki University Hospital Comprehensive Cancer Center, University of Helsinki, Helsinki, Finland

² Amgen Ab, Espoo, Finland

†deceased