3D Printed Adenocarcinoma of Stomach

3D Printed Adenocarcinoma of Stomach Clinical History An 82-year old female presents with an episode of melena (dark tarry faeces). She had a 6-month history of dyspepsia and nausea. Recently she had noted weight loss and early satiety. Soon after admission she had a large melena episode and died. Pathology This is a post mortem specimen sliced to include a sagittal view of the oesophagus, stomach, proximal duodenum and pancreas. A large 7x5cm ulcer is evident on the lesser curve of the stomach. The ulcer is shallow and broad with raised rolled edges and necrotic debris at the base. There is loss of gastric rugae radiating along the mucous from the ulcer. Dissection of the ulcer reveals elevation of the edge by pale homogenous tumour tissue. There were two eroded arteries present within the ulcer crater with evidence of recent haemorrhage. The pancreas is adherent to the serosal aspect of the ulcer. Histology taken from the lesion (sites visible as regul