KDR and esophageal adenocarcinoma: VEGFR2 overexpression has been reported in various types of cancer, including cancers of the head and neck, lungs, colon, uterus, ovaries, and breast.[8,9] Among esophageal adenocarcinoma and squamous cell carcinoma specimens, 100.0% of the assessed tumors were VEGFR2-positive.[10]