Đặc điểm khối u ở bệnh nhân ung thư trực tràng thấp được phẫu thuật Miles nội soi cắt tầng sinh môn ở tư thế nằm sấp tại thành phố Cần Thơ

In cancer surgery, information about the tumor (size, location, mobility status, tumor histopathology results, etc.) will help evaluate the possibility of surgery and treatment results. Objective: To determine tumor characteristics in patients with low rectal cancer undergoing laparoscopic surgery using extra-levator perineal excision in prone position at Can Tho. Materials and methods: Prospective study, describing a series of cases on 45 patients with low rectal cancer stages I, II, III, in Can Tho City from December 2018 to June 2023. Results: 45 patients with low rectal cancer were hospitalized mainly with symptoms of hematochezia (82.2%); Tumor location was 24.4% anterior, 28.9% posterior, 24.4% lateral (R) and 24.4% (L), and 22.2% annular; The majority of tumors had a vertical dimension > 3 cm (88.9%) and a horizontal dimension ≤ 5 cm (82.2%); 44.4% of gross tumors were cauliflower, 33.3% were ulcerative, and 22.2% were annular; 46.7% of tumors were moderately mobile; Stage T2 tumors accounted for 28.9%, T3 accounted for 71.1%, no stage T1, T4 was recorded; The level of tissue differentiation was mainly moderate 91%. Based on postoperative histopathological results, 20% of the disease was in stage I, 33.3% in stage II, and 46.7% in stage III. Conclusions: Majority of low rectal cancer had large size, moderately differentiated, in tumor stage T3 and in stage III.