Distribution of patients with endocervical adenocarcinoma classified according to the IECC
| HPVA (n=71) | NHPVA (n=16) | ||
| Usual | 51 (72%) | Gastric | 12 (75%) |
| Villoglandular | 0 | Mesonephric | 2 (13%) |
| Mucinous, NOS | 10 (14%) | Serous | 0 |
| Mucinous, intestinal | 2 (3%) | Clear cell | 2 (12%) |
| Mucinous, signet ring cell | 0 | Endometrioid | 0 |
| ISMC | 8 (11%) | ||
HPVA, human papillomavirus–associated adenocarcinoma; IECC, International Endocervical Adenocarcinoma Criteria and Classification; ISMC, invasive stratified mucin-producing carcinoma (so-called invasive SMILE); NHPVA, non-human papillomavirus–associated adenocarcinoma; NOS, not otherwise specified.