Fig. 2.

Enhanced CT findings. a CT images showing a large mass at the esophageal junction. Tumor invasion into the left atrium was suspected (white arrow head). b Intra-abdominal lymph node metastases were identified (white arrow head). c Enhanced CT images after two courses of chemotherapy showing that the primary tumor has decreased in size (white arrow head). d The lymph node metastases remain shrunk (white arrow head). e Enhanced CT images after four courses of chemotherapy showing that the primary tumor has enlarged slightly (white arrow head). f The lymph node metastases have also decreased in size (white arrow head)