• Thomas Lehnert, Mascha Methner, Andreas Pollok, Anja Schaible, Ulf Hinz, and Christian Herfarth.
• Section of Surgical Oncology, Department of Surgery, University of Heidelberg, Heidelberg, Germany. thomas_lehnert@med.uni-heidelberg
• Ann. Surg. 2002 Feb 1; 235 (2): 217225217-25.

ObjectiveTo review a single-center experience with 201 multivisceral resections for primary colorectal cancer to determine the accuracy of intraoperative prediction of potential curability, to identify prognostic factors, and to examine the effect of surgical experience on immediate outcome and long-term results.Summary Background DataLocally advanced colorectal cancer may require an intraoperative decision for en bloc resection of surrounding organs or structures to achieve complete tumor removal. This decision must weigh the risk of complications and death of multivisceral resection against a potential survival benefit. Little is known about prognostic factors and the influence of surgical experience on the outcome of multivisceral resection for colorectal cancer.MethodsPatients undergoing multivisceral resection for primary colon or rectal cancer between 1982 and 1998 were identified from a prospective database. Patients were followed up according to a standard protocol.ResultsMultivisceral resection was performed in 201 of 2,712 patients with a median age of 64 years. Postoperative rates of complications and death in 201 patients were 33% and 7.5%, respectively. A potentially curative resection was possible in 130 of 201 patients (65%) and histologic tumor infiltration was shown in 44% of patients with curative resection. Intraoperative assessment of curability was unreliable. After curative resection, the local recurrence rate was 11% and the overall 5-year survival rate was 51%. Multivariate analysis identified intraoperative blood loss (relative risk 1.7-6.4, P <.001), age 64 years or older (RR 3.7; P <.001), and UICC stage as independent prognostic factors (RR 2.0; P =.009). No prognostic significance was found for histologic tumor infiltration, the number of resected organs, or surgical experience.ConclusionsMultivisceral resection is safe, and long-term survival after curative resection is similar to that after standard resection. Because palliative resections cannot be predicted accurately at the time of surgery, every effort should be made to achieve complete tumor resection. Major blood loss but not surgical experience per se is an independent prognostic factor.

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