Stage IIIA adenocarcinoma of the esophagus (1); drawing shows the esophagus and stomach. A two-panel inset shows the layers of the esophagus wall: the mucosa, submucosa, muscle, and connective tissue layers. The left panel shows cancer in the mucosa and submucosa layers and in 3 lymph nodes. The right panel shows cancer in the mucosa, submucosa, muscle, and connective tissue layers and in 1 lymph node.
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