1. Colon, right, hemicolectomy:   ADENOCARCINOMA, moderately differentiated   1) Location: cecum   2) Gross type: ulcerofungating   3) Size: 3.9x3.7 cm   4) Depth of invasion: invades subserosa (pT3)     5) Resection margin: free from carcinoma                     safety margin: proximal, 4.6 cm ; distal, 28.2 cm   6) Regional lymph node metastasis :                       - METASTASIS to 6 out of 14 regional lymph nodes (pN2a)                   (6/14 : pericolic, 14;  "IMA LN": 0)                    - Number of Extramural Tumor Deposits: 1   7) Lymphatic invasion: present   8) Venous invasion: not identified   9) Perineural invasion: not identified  10) Tumor budding : positive (intermediate 5-9)  11) Micropapillary component: no (0%)  12) Tumor border: infiltrative   13) . Tubular adenoma with low grade dysplasia ; at cecum          - size: 0.6x0.6cm          - resected margin: free from adenoma       . Tubular adenoma with high grade dysplasia          - size: 2.1x1.6cm          - resected margin: free from adenoma   13) Immune response: Intratumoral lymphocyte (minimal) / Crohn like resection (absent)  14) Associated findings : none  15) Pathologic staging: pT3 N2a   16) Chronic active appendicitis2. "Omentum": No tumor invasion present3. "Omental mass": Dystriophic calcification---------------------------------------1&2. Colon, sigmoid & "Distal margin", anterior resection:   MUCINOUS ADENOCARCINOMA, moderately differentiated   1) Location: sigmoid colon   2) Gross type: polypoid   3) Size: 2.5x2x1.5 cm   4) Depth of invasion: invades muscularispropria(pT2)     5) Resection margin: free from carcinoma                     safety margin: proximal, 9.5 cm ; distal, 3.3 cm ; circumferential, 15 mm   6) Regional lymph node metastasis :                    - No metastasis in all 13 regional lymph nodes(pN0)       7) Lymphatic invasion: not identified   8) Venous invasion: not identified   9) Perineural invasion: not identified  10) Tumor budding : negative  11) Micropapillary component: no  12) Tumor border: infiltrative  13) Pre-existing adenoma : Tubular adenoma with high grade dysplasia                                                 1) size : 1.2x1x0.6 cm                                                 2) resection margin : free from adenoma  14) Immune response: Intratumoral lymphocyte (minimal)  15) Separate lesion: Tubular adenoma with low grade dysplasia                        1) size : 1.1x0.6cm                                              2) resection margin : free from adenoma  16) Pathologic staging: pT2 N02023.06.05 수술하고, 2023.10.12 수술한 환자인데 조직검사 결과가 이렇게 나왔는데,cecum 부위에 M8140/3 (adenocarcinoma)sigmoid colon 부위에 M8253/3 (mucinous adenocarcinoma)이렇게 다중원발암으로 암등록을 각각 해야 하는지 궁금합니다!
C18.9(Colon, NOS), M8480/3 Mucinous adenocarcinoma(except of lung M8253/3) 으로 한번만 암등록합니다.