Research Article
The Effect of Lymph Nodes’ Histologic Response on Survival Outcomes in Moroccan Patients with Rectal Cancer
Table 1
Patient and therapeutic effect on lymph nodes characteristics.
| | Number of patients (%) |
| Age | 65 | 102 (68.45) | 65–75 | 28 (18.8) | 75–85 | 17 (11.4) | 85 | 2 (1.35) |
| Sex | Men | 70 (46.97) | Women | 79 (53.03) |
| Histologic type | Adenocarcinoma | 145 (97.3) | Mucinous/signet ring cell | 4 (2.7) |
| Degree of differentiation | Well | 72 (48.3) | Moderate | 69 (46.3) | Poor | 8 (5.4) |
| Therapeutic response on surgical specimen | Complete response | 25 (16.8) | Incomplete response | 124 (83.2) |
| Therapeutic effect on surgical specimen according to the percentage of tumor regression | Presence | 137 (92) | Absence | 12 (8) |
| Fibrosis TE on LNs | Presence | 133 (89.3) | Absence | 16 (10.7) |
| Colloid TE on LNs | Presence | 99 (66.5) | Absence | 50 (33.5) |
| Necrosis TE on LNs | Presence | 91 (61.07) | Absence | 58 (38.93) |
| Regression types grouped on 5 | 0TE | 12 (8.1) | 2+ | 8 (5.4) | 3+ | 89 (59.8) | F+ | 36 (24) | C+ | 4 (2.7) |
| Regression types grouped on 4 | 0TE | 12 (8.1) | F+ | 36 (24.2) | C+ | 4 (2.7) | ME+ | 97 (65) |
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TE: therapeutic effect; LNs: lymph nodes; 0TE: absence of therapeutic effect; 2+: combination of two therapeutic effect types; 3+: combination of three therapeutic types; F+: fibrosis effect; C+: colloid effect.
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