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Levels of expression of ANGPTL4 or VEGF in oral human KS lesions. Immunohistochemical reactivity was graded in a semiquantitative manner according to the percentage of positive tumor cells (− = 0%; + = <20%; ++ = 20%–50%; +++ = >50%).
| Case | ANGPTL4 | VEGF |
|---|---|---|
| 1 | ++ | + |
| 2 | + | +++ |
| 3 | ++ | − |
| 4 | +++ | − |
| 5 | + | +++ |
| 6 | +++ | ++ |
| 7 | +++ | ++ |
| 8 | − | +++ |
| 9 | +++ | ++ |
| 10 | ++ | + |
| 11 | − | − |
| 12 | + | ++ |
| 13 | ++ | + |
| 14 | + | + |
| 15 | +++ | − |
| 16 | ++ | ++ |
| 17 | ++ | − |
| 18 | +++ | +++ |
| 19 | + | ++ |
| 20 | ++ | +++ |
| 21 | +++ | +++ |
| 22 | +++ | +++ |
| 23 | + | ++ |
| 24 | +++ | − |
| 25 | +++ | + |
