gastric biopsy: Siewert type I adenocarcinoma of esophagogastric junction
gastric biopsy: siewert type i adenocarcinoma of esophagogastric junction
gastric biopsy: Siewert type I adenocarcinoma of esophagogastric junction (procedure)
gastric biopsy: siewert type i adenocarcinoma of esophagogastric junction (procedure)