Assessment System of Sarcopenia in Lung Cancer Patients

This study develops and tests a new assessment system for detecting sarcopenia (loss of muscle mass and strength) in patients with lung cancer who are having surgery. Sarcopenia is linked to worse surgical outcomes, and better tools to detect it early could help doctors optimize care before and after surgery. **You may be eligible if...** - You are a hospital inpatient scheduled for curative surgery for lung cancer - You have had a CT or MRI scan within the past week - You are willing and able to comply with all assessments **You may NOT be eligible if...** - You have had an arm or leg amputated - You have severe swelling (edema) above the knee level - You have an implantable pacemaker - You have impaired consciousness or poor health that prevents you from completing the study Talk to your doctor to see if this trial is right for you.