Fig. 1

CT images of chest and abdomen before and after treatment A: The red arrow indicated the space-occupying mass lesion; B, C: The red arrow indicated the disappearance of the space-occupying lesion after treatment; D: The red arrow indicated the enlarged lymph nodes in the heart and phrenic angle, and the white arrow indicated the postoperative imaging lesions of heart transplantation; E, F: The red arrow indicated the disappearance of enlarged lymph nodes, and the white arrow indicated postoperative changes of the sternum after heart transplantation; G: The red arrow indicated the liver mass and low-density lesions at the time of initial diagnosis (MT possible); H, I: the red arrow indicated the liver low-density lesions gradually decreased after treatment and disappear."

Fig. 2

IHC staining of pathological biopsy of patient 1 A: H-E staining, ×400, B: CD20 (+), C: Ki-67 (about 60%+), D: EBER (+). B, C and D were ×200"

Fig. 3

The image of PET/CT of patient 1"

Fig. 4

Lung CT image of the patient A, C: Multiple enlarged lymph nodes in the mediastinum, bilateral supraclavicular area and bilateral axilla; B, D: The CT scans of the patient was automatically discharged from the hospital, it showed multiple enlarged lymph nodes in the mediastinum, bilateral supraclavicular area and bilateral axilla, similar to the previous."

Fig. 5

IHC staining of pathological biopsy of patient 2 A: H-E staining, ×40; B: H-E staining, ×100; C: H-E staining, ×400; D: CD20 (+); E: CD3(+); F: CD5 (+); G: EBER (+); H: Ki-67 (about 30%+). Images of D-H were ×200."