Table 1. Frequency of primary tumor types with distribution by tumor stage.
| Primary tumor type | Frequency, % of all tumors | Stage I, % | Stage II, % | Stage III, % | Stage IV, % |
|---|---|---|---|---|---|
| Breast | 22.1 | 27.5 | 29.2 | 16.0 | 18.5 |
| Genitourinary tract | 17.7 | 15.1 | 15.7 | 20.6 | 40.9 |
| Colorectal | 16.3 | 4.1 | 11.0 | 29.2 | 50.9 |
| Lung | 16.0 | 1.3 | 3.8 | 15.3 | 75.1 |
| Other cancer1 | 7.2 | 17.0 | 6.4 | 10.6 | 41.8 |
| Gastroesophageal | 6.5 | 7.1 | 4.8 | 15.9 | 64.3 |
| Pancreatic | 4.8 | 0.0 | 4.3 | 18.3 | 67.7 |
| Head and neck | 3.2 | 3.2 | 6.5 | 25.8 | 54.8 |
| Other GI | 3.1 | 3.3 | 1.6 | 19.7 | 62.3 |
| Liver/bile duct | 1.8 | 5.6 | 0.0 | 8.3 | 80.6 |
| Unknown primary site | 1.3 | 0.0 | 0.0 | 4.0 | 56.0 |
| ALL CANCERS | 100 | 11.6 | 12.9 | 18.7 | 48.0 |
1Other cancer includes: sarcoma, mesothelioma, mesenchymal, skin, endocrine and hematologic tumors.