Coping After Breast Cancer - a Randomized Clinical Trial With Two Digital Interventions

This study compares two digital support programs to help breast cancer patients cope emotionally after their diagnosis. One program focuses on self-management skills, the other uses online peer support. The goal is to find out which approach better reduces distress and improves wellbeing. **You may be eligible if...** - You were diagnosed with breast cancer (stage 0–III) for the first time from January 2020 onward - Your cancer has not spread to distant organs (not metastatic) - Your tumor is HER2-positive, or estrogen receptor-negative **You may NOT be eligible if...** - Your cancer has spread beyond the breast and nearby lymph nodes - You were diagnosed before January 2020 Talk to your doctor to see if this trial is right for you.