Disease progression baseline, 2, 5, 8, 11, 14, 20, and 26 months after study treatment [clinicaltrials_resource:f748f8c837ceea946981ae1fb84cebe6]

Change in tumor size based on CT or MRI of the head/neck/chest as compared to baseline measurement.

Disease progression baseline, 2, 5, 8, 11, 14, 20, and 26 months after study treatment [clinicaltrials_resource:f748f8c837ceea946981ae1fb84cebe6]

Change in tumor size based on CT or MRI of the head/neck/chest as compared to baseline measurement.