Fig. 2
Intraoperative observations and specimens. a Varicose gastric veins (blue arrow). b An enlarged peripancreatic lymph node (blue arrow). c Macroscopic aspects of the swelling in the peripancreatic lymph nodes. The swollen peripancreatic lymph nodes exhibit caseous necrosis (blue arrow). d Hematoxylin-eosin staining reveals red staining and structureless particles in the background of lymphocytes