Clinical and Pathologic Characteristics of Patients
| Characteristic | n | % |
|---|---|---|
| Patients | 28 | |
| Sex | ||
| Male | 21 | 75.00 |
| Female | 7 | 25.00 |
| Histologic type | ||
| Containing PCC | 14 | 50.00 |
| Without PCC | 14 | 50.00 |
| Pathologic tumor staging | ||
| ypT0 | 1 | 3.57 |
| ypT1 | 2 | 7.14 |
| ypT2 | 5 | 17.86 |
| ypT3 | 12 | 42.86 |
| ypT4 | 8 | 28.57 |
| Pathologic lymph node staging | ||
| ypN0 | 15 | 53.57 |
| ypN1 | 8 | 28.57 |
| ypN2 | 3 | 10.72 |
| ypN3 | 2 | 7.14 |
| Degree of differentiation | ||
| Well | 0 | 0.00 |
| Moderately | 9 | 32.14 |
| Poorly | 18 | 64.29 |
| Not applicable | 1 | 3.57 |
| Lauren classification | ||
| Intestinal subtype | 12 | 42.86 |
| Mixed subtype | 3 | 10.71 |
| Diffuse subtype | 11 | 39.29 |
| Not applicable | 2 | 7.14 |
| TRG | ||
| 0 | 1 | 3.57 |
| 1 | 5 | 17.86 |
| 2 | 16 | 57.14 |
| 3 | 6 | 21.43 |
Median age is 61 y (range, 38–75 y). Pathologic staging is according to eighth American Joint Committee on Cancer Post–Neoadjuvant Therapy Classification system.