CONCLUSION
lymphedema, edema, postoperative breast cancer, breast cancer
LYMPHEDEMA, EDEMA, BREAST CANCER
Overall, this study provides some evidence for the intervention effectiveness of KAP theory. The knowledge, attitude, and behavior of the KAP theory were combined in the perioperative period and the first three times of chemotherapy for breast cancer patients. First of all, we aim to improve the cognition of breast cancer patients to lymphedema; then, we focus on improving their attention to lymphedema. In addition finally, we could promote their clinical edema prevention behavior. This RCT found that although the lymphedema prevention program could not reduce the incidence of lymphedema in early postoperative breast cancer patients, it could significantly improve their arm function and quality of life. Follow‐up could be extended in the future to further evaluate the effectiveness of the lymphedema prevention program.