b. A histologically well differentiated or moderately differentiated depressed lesion, without ulceration, bordering on the mucosa and without commitment of lymphatic nodes which is 10 mm or smaller 5.
b. Lesiones deprimidas iguales o menores a 10 mm sin ulceración, histológicamente bien diferenciadas, o moderadamente diferenciadas, confinadas a la mucosa y sin compromiso de nódulos linfáticos 5.