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Histological features of the 26 cases of pulmonary SH
| Histological pattern | n |
|---|---|
| Papillary |
25 |
| Sclerotic |
24 |
| Solid |
22 |
| Hemorrhagic |
20 |
| Chronic inflammation |
26 |
| Mast cells |
23 |
| Hemosiderin |
22 |
| Atypia |
17 |
| Mild |
13 |
| Moderate |
4 |
| Eosinophils |
10 |
| Calcification |
8 |
| Cholesterol clefts |
6 |
| Lamellar structures |
5 |
| Necrosis |
2 |
| Hyaline degeneration |
1 |
| Adenosquamous carcinoma | 1 |
