title: A time to keep and a time to cast away categories of tumor response.
authors: Michael L
authors: ML
authors: Maitland
authors: Robert R
authors: RR
authors: Bies
authors: Jeffrey S
authors: JS
authors: Barrett
mesh_terms: D002289:Carcinoma, Non-Small-Cell Lung / Q000000981:diagnostic imaging*; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D015203:Reproducibility of Results; D014057:Tomography, X-Ray Computed