From: Are rare cancer survivors at elevated risk of subsequent new cancers?
Prior cancer history | N | # New cancers | Follow-up years since enrollment | Risk relative to US populationa |
---|---|---|---|---|
No prior cancer | 5684 | 289 | 29,680 | 1.27 (p < 0.0001) |
≥1 prior common cancer | 8604 | 723 | 53,618 | 0.99 (p = 0.82) |
≥1 prior rare cancer | 2342 | 145 | 10,352 | 1.22 (p = 0.01) |