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Survival of rectal cancer in Yazd, Iran
Ali Akhavan1, Fariba Binesh, Amin Soltani
1Department of Radiotherapy, Isfahan University of Medical Sciences, Isfahan, Iran
Background:
Colorectal cancer is common in Iran. However our knowledge about survival of rectal cancer in our province is low. The aim of this study is to evaluate this question.
Materials And Methods:
Patients with documented pathology of adenocarcinoma of the rectum and rectosigmoid junction referred to our center from September 2004 to September 2012 were enrolled in this study. Metastatic and recurrent patients were excluded. A questionnaire including clinicopathologic parameters, quality and sequence of treatment modalities was filled in for each patient. Patients treated with a combination of surgery, chemotherapy and radiation therapy were divided into standard and non -standard treatment groups, according to the sequence of treatment.
Results:
One hundred and nineteen patients were evaluated. Mean age was 60.8 year. The median overall survival was 62 months and five year survival was 55%. TNM staging system was not possible due to (Nx) in 21 (17.6%) patients. The others were in stage I, 20 patients (16.8%), II, 35 (29%.5) and III, 43(36.1%). According to our definition only 25 patients (21%) had been treated with standard treatment and 79% had not received it. A five year survival in patients with standard treatment was 85% and in the non-standard group it was 52%.Age, sex, stage and grade of tumor did not show any significant relation to survival.
Conclusions:
Our study showed a five year survival of rectal cancer in our patients was about 10% lower than the rate which is reported for developed countries. Preoperative concurrent chemoradiation significantly improved local control and even overall survival.