CEACAM5 and sarcopenia: Univariable analysis identified male sex, age 70 years or older, smoking history, performance status of 1, chronic heart disease, FEV1 percentage, DLCO percentage, CRP greater than 0.3 mg/dL, albumin less than 4 g/dL, CEA greater than 5 ng/mL, nonadenocarcinoma, pathologic stage II/IIIA, and pre–respiratory or respiratory sarcopenia as risk factors for reduced overall survival.