Fig. 1.
Images by PET/CT scanning. (A) Diffuse hypermetabolic involvement (standard uptake value [SUV]:7.2) at the upper and middle site of the left lung and mild uptake foci at the mediastinal lymph nodes (SUV:3.4) which was compatible with malignancy. (B) Partial response after the sixth cycles rituximab. (C) Complete remission after eight cycles of rituximab medication.