Colorectal cancer patients with malignant large-bowel obstruction (MLBO) require emergency treatment. Here we evaluated the long-term outcomes of recurrence and prognosis (not short-term mortality or nonocclusive cancer T1-T2) in colorectal cancer patients with and without an MLBO. Methods: We retrospectively analyzed the cases of the consecutive patients who underwent curative resection for colon cancer. We compared the groups regarding patients' age and gender, the tumor location, T and N factor, tumor stage, disease-free survival and overall survival. Results: The nonobstruction group had a significantly longer disease-free survival and overall survival compared with the MLBO group. Conclusion: MLBO was associated with cancer recurrence and poorer overall survival regardless of the staging and adjuvant chemotherapy.
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