Comparative assessment of results of D2 and D3 lymph node dissections in term of colon cancer surgery

Purpose of the study. Was to evaluate overall survival of CC patients after D2 and D3 lymph node dissections and assess the frequency of postoperative complications and dynamics of postoperative recovery.

Materials and methods. The study included 50 CC patients aged 39–84 years.

Results.  The comparative assessment of the overall survival, frequency of postoperative complications and dynamics of postoperative recovery was performed in patients divided into 2 groups depending on the lymph node dissection extent. Group 1 included 23 patients (46 %) with D2 lymph node dissection, group 2–27 patients (54 %) with D3 lymph node dissection. 8 (16 %) patients developed complications in the early postoperative period. Patients in group 1 had grade I (5 patients) and grade IIIb (1 patient) surgical complications, according to the Clavien-Dindo classification. 2 patients in group 2 developed grade III b complications. No significant differences were found between groups in peristalsis, gases and bowel movement, starting eating and drinking. A significant increase in the number of postoperative bed-days was observed in patients who underwent open surgery, compared with the group with laparoscopic access. No statistically significant difference was found in the overall survival in patients of the two groups (p = 0.918).

Conclusion. The rates of postoperative complications that required repeated surgery were comparable between the groups with D2 and D3 lymph node dissections. D3 lymph node dissection did not affect the dynamics of postoperative recovery and the overall survival of patients.

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