ColonTODAY. EndoTODAY 이준행

50세 남성. S-colon obstruction (2020)

M/D adenocarcinoma

Adenocarcinoma, moderately differentiated
1. Location: sigmoid colon
2. Gross type: ulceroinfiltrative
3. Size: 1.6x1.5 cm
4. Depth of invasion: invades subserosa (pT3) (distance from nearest serosa: about >5.0 mm)
5. Resection margin: free from carcinoma, safety margin: proximal, 5.5 cm ; distal, 6 cm ; radial, >5.0 mm
6. Regional lymph node metastasis : no metastasis in all 12 regional lymph nodes(pN0)
7. Lymphatic invasion: not identified
8. Venous invasion: not identified
9. Perineural invasion: not identified
10. Tumor budding : negative
11. Pathologic staging: pT3 N0 Mx

Adenocarcinoma, moderately differentiated
1. Location: transverse colon
2. Gross type: ulcerofungating
3. Size: 3.2x2.5 cm
4. Depth of invasion: invades pericolic adipose tissue(pT3) (distance from nearest serosa: about 0.2 mm(200㎛))
5. Resection margin: free from carcinoma, safety margin: proximal, 14 cm ; distal, 6.5 cm ; radial, > 10.0 mm
6. Regional lymph node metastasis : metastasis to 3 out of 13 regional lymph nodes(pN1b) (3/13: pericolic, 3/13)
7. Lymphatic invasion: present
8. Venous invasion: present (extramural)
9. Perineural invasion: not identified
10. Tumor budding : negative

[References]

1) EsoTODAY - Esophageal diseases

2) SmallTODAY - Small bowel diseases

3) ColonTODAY - Colorectal diseases