A. Bottle #1 "Colon" 1. Specimen status : Fresh, opened 2. Procedure : Right hemicolectomy 3. Organ · Colon : 13.5cm in length, 10.3cm in circumference lleum : 5.5cm in length, 4cm in circumference Appendix : 8.5cm in length, 0.7cm in diameter 4. Lesion site : Transverse colon 5. Lesion size : 5.5x3.5cm 6. Distance of lesion : 13.5cm from proximal margin, 3.5cm from distal margin 7: Macroscopic type of lesion : Ulceroinfiltrative 8. Tumor extension - Tumor invades pericolic tissue 9. Representatively embedded in 10 blocks 10. Photo (x3) 11. Ink code: Yellow - proximal margin, Blue - distal margin, Green - circumferential margin B. Bottle #2 "ileocolic LN", 2x2x0.8cm sized tissue Entirely embedded in 1 block <Slide key> 1~2 : tumor 한 단면. 3~4 : tumor 한 단면. 5 : proximal and distal resection margin. 6 : appendix. 7~10 : lymph node. 11 : "ileocolic LN". (11 Blocks) (10월 18일, 지수근/SH) ▶ Diagnosis: Terminal ileum, cecum, appendix and colon, ascending and transverse, right hemicolectomy 1. Adenocarcinoma, moderately differentiated, 5.5x3.5cm, transverse colon, with 1) depth of invasion invades pericolic adipose tissue (pT3) 2) lymphovascular invasion : present 3) perineural invasion : absent 4) no involvement of proximal and distal resection margins
(distance of carcinoma from proximal margin : 13.5cm) (distance of carcinoma from distal margin : 3.5cm) 5) metastasis in 1 of 36 regional lymph nodes (1/36) (pN1a) (pericolic lymph node : 1/33, ileocolic lymph node : 0/3) 2. No tumor, appendix Comment: The TNM staging system is based on American Joint Committee on Cancer(AJCC) and the International Union Against Cancer(UICC) TNM, 8th edition. 판독의 : 하승연 << [최초진단일] 2023-10-20 >> << [Addendum] 2023-10-23 >> 판독의 : 하승연 ▶ Comment: < Result of immunohistochemistry > - EGFR : Positive, weak