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Histopathological type and grade of rectal cancer with pathological tumour regression grade (pTRG) of 64 patients included in the study
| Characteristics | N (%) | pTRG (n) |
||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| Histopathological diagnosis | ||||||
| Well-differentiated adenocarcinoma | 2 (3.1%) | 1 | 1 | |||
| Moderately differentiated adenocarcinoma | 49 (76.6%) | 9 | 7 | 21 | 10 | 2 |
| Poorly differentiated adenocarcinoma (including one high-grade dysplasia with invasive adenocarcinoma) | 5 (7.8%) | 4 | 1 | |||
| Mucinous and signet-ring-cell type | 8 (12.5%) | 1 | 5 | 2 | ||
