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- Title
Estimation of the Number of Individuals Living With Metastatic Cancer in the United States.
- Authors
Gallicchio, Lisa; Devasia, Theresa P; Tonorezos, Emily; Mollica, Michelle A; Mariotto, Angela
- Abstract
<bold>Background: </bold>The purpose of this study was to estimate the number of individuals living with metastatic breast, prostate, lung, colorectal, or bladder cancer or metastatic melanoma in the United States using population-based data.<bold>Methods: </bold>A back-calculation method was used to estimate the number of individuals living with metastatic cancer for each cancer type from US cancer mortality and survival statistics from the Surveillance, Epidemiology, and End Results registries. The percentages of those living with metastatic cancer who advanced to metastatic disease from early stage cancer vs who were diagnosed with metastatic cancer de novo were calculated. One- and 5-year relative survival rates for de novo metastatic cancer were compared by year of diagnosis to assess time trends in survival.<bold>Results: </bold>It is estimated that, in 2018, 623 405 individuals were living with metastatic breast, prostate, lung, colorectal, or bladder cancer, or metastatic melanoma in the United States. This number is expected to increase to 693 452 in 2025. In 2018, the percentage of metastatic cancer survivors who were initially diagnosed with early stage cancer and advanced to metastatic cancer ranged from 30% for lung cancer to 72% for bladder cancer.<bold>Conclusions: </bold>This study demonstrates increasing numbers of individuals living with metastatic cancer of the 6 most common cancer types in the United States. This information is critical for informing the allocation of research efforts and healthcare infrastructure needed to address the needs of these individuals.
- Subjects
UNITED States; BLADDER tumors; MELANOMA; DISEASE incidence; COLORECTAL cancer; SECONDARY primary cancer
- Publication
JNCI: Journal of the National Cancer Institute, 2022, Vol 114, Issue 11, p1476
- ISSN
0027-8874
- Publication type
Article
- DOI
10.1093/jnci/djac158