الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
rectal cancer constitutes about one third of all colorectal cancer cases. Total mesorectal excision has become the gold standard in rectal cancer treatment, However total mesorectal excision does not involve any approaches for lateral pelvic lymph nodes(LPLN) ,which may be asource of local recurrences .Tumor containing LPLN were reported to be found in about 10%-20% of the rectal cancer patients. In japan lateral pelvic lymph node metastasis is accepted to be curable with excision .
Method&Result:
This study included 20 patients presented to Menofia Hospital for elective colorectal re sections and LPLN dissection , in the period from July 2016 to January 2019 13 male (65%) ,7female (35%), All patients included in the study underwent preoperative chemoradiation according to the technique described by Marks et al. with an overall administration of 45 cGy over 5 weeks. Dissection of 180 lymph nodes was retrived (20%) lymph nodes pathologically were positive for malignancy.
CONCLUSION:
Lateral pelvic lymph nodes dissection is an important in rectal cancer treatment.