Inclusion criteria
cognitive impairment, breast cancer
METASTASIS, DISEASE, RECURRENCE, BREAST CANCER
The study inclusion criteria were as follows: (1) female patients aged ≥18 years old; (2) pathological puncture confirming unilateral breast cancer without recurrence and metastasis; (3) clinically staged as TNM stage I‐III; (4) plan to perform surgery and ≥6 cycles of postoperative chemotherapy; and (5) conscious and aware of their disease condition, with no cognitive impairment or communication problems.