When there is no invasion of the lamina propria the lesion is called a tumor in situ p-Tis. When there is invasion of the lamina propria, the lesion is called a micro invasive carcinoma p-T1M.
Cuando no hay invasión de la lámina propia se denomina tumor in situ p-Tis, cuando hay invasión de la lámina propia se denomina carcinoma microinvasivo p-T1m y si invade la submucosa, se denomina neoplasia invasiva p-T1sm.