Table 6 Characteristics of serrated adenocarcinomas according to the serrated adenoma type
From: Clinicopathologic and endoscopic features of early-stage colorectal serrated adenocarcinoma
Variables | TSA (n = 27) | SSA/P (n = 5) | Unclassified (n = 5) | Non-serrated adenoma (n = 3) |
|---|---|---|---|---|
Sex (male/female) | 16/11 | 3/2 | 3/2 | 1/2 |
Average age (years) | 69.1 | 69.0 | 68.6 | 73.3 |
Location (proximal colon/distal colon/rectum) | 7/1/19 | 5/0/0 | 2/1/2 | 2/0/1 |
Average size (mm) | 42.6a | 17.2b | 34.0 | 18.3c |
Invasion depth (Tis/T1) | 24/3d | 1/4e | 0/5f | 0/3g |
Epithelial serration (+/−) | 6/21 | 3/2 | 5/0 | 3/0 |