Pregnant or lactating females

Baseline fludeoxyglucose F 18 (FDG)-positron emission tomography (PET) scan without any target lesion

Unable to under PET CT evaluation

other concurrent investigational agents

No Planning to undergo curative intent radiotherapy

familial, social, geographic, or psychological conditions that would preclude study participation

Prior malignancy progressive disease

Predictive Value of FDG-TEP During Radiotherapy or Chemo-radiotherapy in Patients With NCSC on the One-year Survival