Table 5 Subdivision of mucosal invasion in pT1 adenocarcinoma of esophagus.
AJCC 8th edition | Stolte method | ||
|---|---|---|---|
Level of invasion | Subdivision | Level of invasion | Subdivision |
Intraepithelial /dysplasia only | m1 | Intraepithelial neoplasia/dysplasia | |
Lamina propria (pT1a) | m2 | Lamina propria (pT1a) | m1 |
Muscularis mucosa (pT1a) | m3 (irrespective of level of invasion within the duplicated muscularis mucosae) | Inner/superficial muscularis mucosae (pT1a) | m2 |
Space in between the duplicated muscularis mucosae (pT1a) | m3 | ||
Outer/deep-muscularis mucosae (pT1a) | m4 | ||
Submucosa (pT1b) | |||
sm1 | Superficial one-third of submucosa | ||
sm2 | Intermediate one-third of submucosa | ||
sm3 | Outer one-third of submucosa | ||
