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
 65102 (68.45)
 65–7528 (18.8)
 75–8517 (11.4)
 852 (1.35)

Sex
 Men70 (46.97)
 Women79 (53.03)

Histologic type
 Adenocarcinoma145 (97.3)
 Mucinous/signet ring cell4 (2.7)

Degree of differentiation
 Well72 (48.3)
 Moderate69 (46.3)
 Poor8 (5.4)

Therapeutic response on surgical specimen
 Complete response25 (16.8)
 Incomplete response124 (83.2)

Therapeutic effect on surgical specimen according to the percentage of tumor regression
 Presence137 (92)
 Absence12 (8)

Fibrosis TE on LNs
 Presence133 (89.3)
 Absence16 (10.7)

Colloid TE on LNs
 Presence99 (66.5)
 Absence50 (33.5)

Necrosis TE on LNs
 Presence91 (61.07)
 Absence58 (38.93)

Regression types grouped on 5
 0TE12 (8.1)
 2+8 (5.4)
 3+89 (59.8)
 F+36 (24)
 C+4 (2.7)

Regression types grouped on 4
 0TE12 (8.1)
 F+36 (24.2)
 C+4 (2.7)
 ME+97 (65)

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.