| Clinical features |
| Older age at presentation |
| Male gender |
| Larger tumor basal diameter |
| Increased tumor thickness |
| Ciliary body tumor location |
| Diffuse tumor configuration |
| Association with ocular/oculodermal melanocytosis |
| Extraocular tumor extension at presentation |
| Advanced AJCC category and staging |
| |
| Histopathologic features |
| Epithelioid cytology on histopathology |
| High mitotic activity/PC-10/Ki-67 |
| High values of mean diameter of 10 largest nucleoli |
| High microvascular density |
| Microvascular loops and patterns |
| Tumor-infiltrating lymphocytes |
| Tumor-infiltrating macrophages |
| High expression of insulin-like growth factor 1 receptor |
| High expression of HLA class I and II |
| |
| Cytogenetic features |
| Chromosome 3-loss (monosomy 3) |
| Chromosome 8q-gain or 8p-loss |
| Chromosome 1p-loss |
| Chromosome 6q-loss |
| |
| Transcriptomic feature |
| Gene expression profile class 2 |
