case_images: PMC4291865_01
case_images: The big retroperitoneal lymph node among multiple lymph nodes on para-aortic area.
case_images: AJA-17-163-g001.jpg
case_images: PMC4291865_01_AJA-17-163-g001.jpg
case_images: F1
case_images: The biggest one of the lymph nodes was 6 cm x 4 cm x 3 cm in diameter (Figure 1).