The purpose of this study is to examine the impact of physical activity on the postoperative symptoms, complication, and quality of life.

Non-small cell lung cancer (NSCLC) survivor is increasing as developing early diagnosis and perioperative management. Despite multidisciplinary treatment, Surgery is the primary treatment option for cure in NSCLC. The patients with lung cancer who underwent surgery have limitation of pulmonary function and high risk of co-morbidities. Perioperative physical activity has been shown to reduce symptoms and prevent complications, improve long term quality of life after surgery. But validated exercise regimen has not been established for lung cancer patients. Therefore, Evidence-based guideline focusing on lung cancer after surgery is needed.

Inclusion Criteria:

• Patients who are diagnosed with lung cancer
• Patients who are able to walk with ECOG (Eastern Cooperative Oncology Group) performance status < 1
• Patients who understand the purpose of this study and provide the written informed consent

Exclusion Criteria:

• Patients who have difficulty for walking
• Patients with history of other cancer in the last 3 years
• Patients with neoadjuvant chemotherapy and/or radiation therapy
• Patients who are diagnosed with recurrent lung cancer or multiple cancer
• Foreigner of patients from overseas who are not able regularly participate in this study

The study population in this study consists of patients who are diagnosed with lung cancer and scheduled for surgery in a lung cancer center at Seoul.