Clinical Study
Diagnosis of Distal Cholangiocarcinoma after the Removal of Choledocholithiasis
Table 5
Histological findings.
| | | Group A | Group B | value | | |
| | Tumor size | 15.3 ± 9.7 | 24.6 ± 14.1 | 0.081 | | Depth of invasion | | | | | Mucosa | 5 | 7 | 1.130 | | Fibromuscular layer | 2 | 5 | | | Subserous layer | 1 | 9 | | | Serosa | 1 | 7 | | | Serosa infiltrating | | 9 | | | Subserous layer—deeper | 2 (22%) | 25 (68%) | 0.022 | | Differentiation | | | | | Papillary | 0 | 3 | 0.087 | | Well | 9 | 20 | | | Moderately | 0 | 11 | | | Poorly | 0 | 3 | | | Lymph node involvement | 1 | 13 | 0.240 |
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