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| Solid | Papillary | |
|---|---|---|
| Single cell predominant |
7 |
21 |
| Cell cord predominant |
13 |
8 |
| Vasoformative ring predominant | 9 | 1 |
The cell has expected count less than 5. Chi-square test showed the solid subtype and papillary subtype have different cell arrangement architectures (x2=13.163, P=0.001).
