Exact(60)
We call that lead time bias or stage migration.
We sought to quantitate the impact of stage migration in node-negative colorectal cancer.
Frequent prostate specific antigen testing for screening and monitoring prostate cancer has led to significant stage migration.
First, stage migration.
This has caused stage migration.
Upward stage migration occurred in 17% of patients.
Upward stage migration occurred in 17% of patients [ 31].
The most probable explanation of this phenomenon is stage migration.
Stage migration has been postulated as a factor.
We did not adjust for stage at diagnosis due to the likelihood of stage migration [ 14].
Slowly the median survival is improving, notwithstanding the impact of stage migration.
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