Change of HER2 status in metastatic esophageal adenocarcinoma: heterogeneity of the disease? Case report and review of literature
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A case report is presented of a patient diagnosed with esophageal adenocarcinoma with an extremely aggressive clinical course. Discordant expression of HER2 in longitudinally-collected biopsies was noted, with the original biopsy testing negative and a follow ... ...
