Conclusions
PD, cancer recurrence and psychological distress, breast cancer
BREAST CANCER
We did not find a long-term effect of the CBT‐based online self-help training in reducing PD or FCR, nor in their relation. Therefore, we recommend adding professional support to online interventions for FCR. Information about FCR classes and predictors may contribute to improvement of FCR interventions.This study shows that women who survived breast cancer stay distressed and fearful for a long time, and that online self-help training alone is not effective in reducing their fear of cancer recurrence and psychological distress. This study underlines the importance of developing further effective psychological interventions, for example with professional support