AI-Personalized Discharge Education for Patients After Lung Cancer Surgery

Inclusion Criteria: 1. Pathologically confirmed primary lung cancer and underwent radical lung cancer surgery by thoracoscopic or open approach, including lobectomy, pneumonectomy, or wedge resection. 2. Age 18 to 80 years. 3. Clinical stage I to III. 4. No distant organ metastasis. 5. Clinically stable after surgery, conscious, and able to perform basic listening, speaking, and reading activities, with planned discharge to home for recovery. 6. The participant or primary caregiver is able to use a smartphone and WeChat. 7. Able and willing to provide informed consent and voluntarily participate in the study. Exclusion Criteria: 1. Recurrent lung cancer or previous treatment with targeted therapy, chemotherapy, or radiotherapy. 2. Severe aphasia, cognitive impairment (MMSE \<24), or psychiatric disorders that prevent independent completion of study questionnaires. 3. Severe cardiac, hepatic, or renal dysfunction, or another malignant tumor. 4. Severe postoperative complications requiring prolonged hospitalization, such as bronchopleural fistula or major bleeding. 5. Participation in another interventional clinical study. 6. Unable to complete the 1-month follow-up because of travel or residence outside the study area after discharge.