Clinical Research Directory

Inclusion Criteria: * Clinically diagnosed stage I and stage II lung cancer, who are about to receive wedge resection, segmental resection, sleeve resection, lobectomy, or pneumonectomy under general anaesthesia. * Volunteer to participate in the study with good compliance. Able to complete the observation and follow-up and have signed the informed consent. * ASA score: I-III; * Cardiopulmonary functions meet the requirements of radical operation for lung cancer with normal liver and kidney functions. Exclusion Criteria: * Neurologic, mental illness or mental disorder which is hard to control, poor compliance, unable to cooperate or describe the treatment response; * Clinically diagnosed stage III and stage IV lung cancer or patients who received neoadjuvant treatment before surgery; * Patients developed symptoms alike coronavirus infection but are not confirmed by viral RNA detection by quantitative RT-PCR or antigen testing kits. * Serious heart, lung, liver and kidney dysfunction and unable to tolerate the operation