Fig. 1

Test results of a patient with paraneoplastic leukemoid reaction associated with esophageal adenocarcinoma. a Bone marrow aspirate and biopsy showing granulocytosis which had proliferated actively, abundant droplet bodies in the cytoplasm, and increased megakaryocytes. b Anteroposterior radiograph of the upper gastrointestinal tract showing amass in the lower esophagus. c Lateral cephalometric radiograph of the upper gastrointestinal tract showing the lower esophageal mass. d Chest computed tomography (CT) showing thickening of the esophageal wall with corresponding regions of luminal stenosis. e The resected specimen showing an elevated tumour measuring 6.5 × 6.0 × 1 cm in the lower segment of the esophagus and gastroesophageal junction. f Microscopy, showing a moderately differentiated adenocarcinoma invading the serous layer