Decision logic for retreatment of asymptomatic lung cancer recurrence based on positron emission tomography findings. - Frank,A.; Lefkowitz,D.; Jaeger,S.; Gobar,L.; Sunderland,J.; Gupta,N.; Scott,W.; Mailliard,J.; Lynch,H.; Bishop,J.; Thorpe,P.; Dewan,N. (Int J Radiat Oncol Biol Phys)