Response to: "Consideration of KRAS Mutation Status May Enhance the Prognostic Impact of Indeterminate Extrahepatic Disease in the Lungs, as Identified by 18FDG-PET, in Patients With Colorectal Liver Metastases". Issue 1 (July 2018) - Wong, Geoffrey Yuet Mun; Kumar, Rajiv; Beeke, Carol; Ullah, Shahid; Chen, John; Karapetis, Christos S.; Price, Timothy J.; Padbury, Rob