Muscle mass and exercise capacity in cancer patients after major upper gastrointestinal surgery
Keywords: جرم آزاد چربی; Body composition; Muscle mass; DXA; Functional capacity; Major upper gastrointestinal surgery; Energy balance; DXA; Dual energy x-ray absorptiometry; BMI; Body mass index; WL; Weight losing group; WS; Weight stable group; BF; Body fat; FFM; Fat free mass;