Table 3.
Histological Classification of GI Cancers in 58 Hospital Based Cancer Registries under NCRP
| Histological Groups | Total | |
|---|---|---|
| n | % | |
| Adenocarcinoma | 31,359 | 57.8 |
| Adenocarcinoma, NOS | 28,022 | |
| Hepatocellular carcinoma, NOS (C22.0) | 1705 | |
| Neuroendocrine carcinoma, NOS | 465 | |
| Cholangiocarcinoma | 446 | |
| Squamous cell neoplasms | 14,093 | 26 |
| Squamous cell carcinoma, NOS | 13,216 | |
| Squamous cell carcinoma, keratinizing, NOS | 403 | |
| Squamous cell carcinoma, large cell, nonkeratinizing, NOS |
330 | |
| Unspecified (PHM 8000-8002, 8004, 8005) | 2994 | 5.5 |
| Cystic, mucinous and serous neoplasms | 2802 | 5.2 |
| Signet ring cell carcinoma | 1618 | |
| Mucinous adenocarcinoma | 640 | |
| Mucin-producing adenocarcinoma | 512 | |
| Epithelial neoplasms | 2001 | 3.7 |
| Others | 718 | 1.3 |
| Complex epithelial neoplasms | 204 | 0.4 |
| Ductal and lobular neoplasms | 58 | 0.1 |
| Total | 54,229 | 100 |