In the esophagus, flat superficial neoplasms predominate. They are subdivided into lesions that are elevated compared to adjacent mucosa IIA, lesions that are flat IIb and lesions that are depressed IIC. Protruding and excavated forms are rare 10.
En el esófago predominan las neoplasias superficiales planas que se subdividen en superficialmente elevadas en relación a la mucosa adyacente IIA, planas IIB y deprimidas IIC, siendo raras las formas protruidas y excavadas 10.