| Sex | Male | Female | ||||||
|---|---|---|---|---|---|---|---|---|
| Group | Control | Low (40 ppm) | Middle (80 ppm) | High (160 ppm) | Control | Low (40 ppm) | Middle (80 ppm) | High (160 ppm) |
| Organ | ||||||||
| Lung | ||||||||
| Spot | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Spleen | ||||||||
| Nodule | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Testes | ||||||||
| Increased size | 0 | 1 | 0 | 0 | - | - | - | - |
| Vagina | ||||||||
| Nodule | - | - | - | - | 0 | 1 | 0 | 0 |