Net survival by time from last symptom to (a) diagnosis (N = 331) and (b) surgery (N = 212) among those symptomatically detected and who reported breast symptoms prior to diagnosis.
Footnotes: Estimates unsmoothed due to sparsity of some data. CIs not shown for clarity. Some survival curves rise over time because in certain intervals the survival of the cancer patients is better than the population from which they are drawn, thus the interval-specific estimate of net survival is greater than 100%. Survival from date of cancer diagnosis to death, or the end of follow-up