Table 2 Characteristics of the second tumor(n = 19)
Type of second tumor | n | O/Eratio | 95%CI | AER* |
|---|---|---|---|---|
Synchronous | 3 | |||
Esophagus | 1 | |||
Stomach | 1 | |||
Cervix | 1 | |||
Metachronous | 16 | 0.8 | 0.47–1.33 | -14.6 |
Head and neck | ||||
In irradiated field | 4 | 12.7 | 4.07–35.0 | 13.3 |
Out of irradiated field | 1 | |||
Esophagus | 2 | 3.24 | 0.56–13.1 | 4.95 |
Stomach | 2 | 0.39 | 0.07–1.55 | -11.4 |
Colon | 3 | 1.55 | 0.40–4.93 | 3.80 |
Breast | 1 | |||
Gallbladder | 1 | |||
Soft-tissue sarcoma(buttocks) | 1 | |||
Myeloma(thoracic vertebra) | 1 |