<prompt> According to Cancer cervix tumor size, which of the following is the Cut-off size of tumor UP TILL which primary surgical treatment is the best option?All size of tumors have good results5MM DEPTH OF INVASION2 cms tumor size4cms tumor size  <response>: It is prudent not to operate on lesions that are larger than 4 cm in diameter because these patients will require postoperative radiation therapy. When selected in this manner, the urinary fistula rate is less than 2, and the operative moality rate is less than 1. 