Grade 3 Marked effect: Primary tumor cannot be assessed T0: DFI is the period from the day of les of the primary tumor till the day when pulmonary metastasis is confirmed. Presence of peritoneal metastasis M1c1: The extent of histopathological depth is evaluated using the deepest area of cancer invasion. No tumor identified at the lateral margin HM1:
Peritoneal metastasis not present M1c: When recording the site of metastasis, the following abbreviations can be used: All tumor deposits located in the extramural fatty tissue are regarded as EX in tumors in which continuous spread was confined within the SM or MP. Methods of estimating survival Actuarial survival rate Direct method Cumulative survival rate: Lymph nodes proximal to the main lymph nodes.
All deaths, colorectal tumor deaths primary tumor deathrecurrence, secondary cancer, progression, and treatment discontinuation. The surgical anal canal corresponds to the tubular structure extending from the superior border of the puborectal sling to the anal verge, whereas the anatomical anal canal corresponds to the tubular structure covered by the anoderm from the dentate line to the anal verge. Resections that do not utilize high-frequency currents include cold forceps polypectomy and cold snare polypectomy. Curability in surgical treatment is comprehensively assessed on the basis of clinical, surgical, and pathological findings. Lymph Node Groups and Station Numbers. When there is a right and left difference at the ruptured edge of the MP, the distance from the lower edge of break point of the MP closest to the tumor surface to the deepest part of the extramural invasion is measured.
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