Table 4. Costa Rica: Distribution of retinoblastoma patients who had second tumours after : treatment—HNN, 2009–2015.
| Post-chemotherapy | Post-radiation therapy | Uncertain | |
|---|---|---|---|
| Number of cases | 1 | 1 | 1 |
| Histology | Right orbital neuroblastoma |
Right parietal embryonal rhabdomyosarcoma |
Cavernous hemangioma |
| Time elapsed | 1 Year | 3 years and 4 months | 4 years and 10 months |
Source: patient records, HNN.