title: Reply to J.-S. Ryu et al and A.T. Berman et al.
authors.affiliation: University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center and Case Western Reserve University, Cleveland, OH Mitchell.Machtay@uhhospitals.org.
authors.forename: Mitchell
authors.initials: M
authors.lastname: Machtay
authors.affiliation: Mallinckrodt Institute of Radiology and the Siteman Cancer Center, Washington University School of Medicine, St Louis, MO.
authors.forename: Barry A
authors.initials: BA
authors.lastname: Siegel
authors.affiliation: Brown University, Providence, RI.
authors.forename: Fenghai
authors.initials: F
authors.lastname: Duan
authors.affiliation: Brown University, Providence, RI.
authors.forename: Bradley S
authors.initials: BS
authors.lastname: Snyder
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D002289:Carcinoma, Non-Small-Cell Lung / Q000401:mortality* / Q000628:therapy*; D005260:Female; D019788:Fluorodeoxyglucose F18; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality* / Q000628:therapy*; D008297:Male; D049268:Positron-Emission Tomography; D019275:Radiopharmaceuticals
chemical_list: D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18