FDG-PET imaging after completion of therapy in PMBL. These are sequential FDG-PET scans of a patient with PMBL who received 6 cycles of DA-EPOCH-R. (A) Three weeks after the completion of therapy, there was an FDG-PET avid lesion in the anterior mediastinum with an standardized value of 6. (B) The patient was followed, and approximately 6 weeks later had another FDG-PET (B). The lesion now had a standardized value of 2. A subsequent FDG-PET scan 6 weeks later was entirely normal, and the patient remains in complete remission several years later.