Regret Emotion After Thyroidectomy in Low-Risk Papillary Thyroid Cancer

This randomized, active-controlled, non-inferiority trial is scheduled to begin in May 2025 and will continue until June 2027. Inclusion criteria: (1) Patients with low-risk papillary thyroid cancer without lymph node metastasis who have undergone thyroid surgery (including both laparoscopic and open surgery) at the Department of Thyroid Surgery, West China Hospital, Sichuan University, (2) Aged between 18 and 90 years, (3) Chinese-speaking, (4) Capable of completing questionnaires and using a mobile phone and internet for intervention purposes, (5) No history of psychiatric disorders or use of psychotropic medications, (6) Voluntary participation and signing of an informed consent form. Exclusion criteria: (1) Patients with cervical lymph node metastasis, (2) Incomplete baseline data, (3) Uncontrolled chronic diseases, (4) Patients with other cancers. Online outpatient follow-up will be conducted by doctors from the Department of Thyroid Surgery at West China Hospital. One study participant will contact the patient, introduce the study, and obtain the informed consent form from willing participants. The research team members responsible for patient contact, registration, and randomization include the principal investigator, study coordinator, and specially trained research assistants. The management of the intervention group patients will be carried out by doctors from the corresponding departments. According to the protocol, patients assigned to online visits will switch to offline visits and exit the clinical trial under the following circumstances: (1) unresolved technical issues, (2) inability to perform a comprehensive assessment, (3) patient request for withdrawal. Other cross-cutting reasons include patient requests and scheduling conflicts. Baseline data (including age, gender, ethnicity, address, occupation), tumor-related information (including tumor histology, maximum tumor diameter, capsular invasion status, number of lymph node metastases), and surgica