Here, we report the case of a 74-year-old man with an esophageal amelanotic melanoma on the esophagogastric junction (EGJ) found on esophagogastroduodenoscopy. 
esophagogastroduodenoscopy
The patient received seven cycles of nivolumab monotherapy and two subsequent cycles of nivolumab and ipilimumab, and these metastases diminished. 
nivolumab
The patient received seven cycles of nivolumab monotherapy and two subsequent cycles of nivolumab and ipilimumab, and these metastases diminished. 
ipilimumab