Damaged cells can initiate cancer. To avert this, faulty cells disable their own propagation by undergoing senescence. But for full protection against liver cancer, the senescent cells must be cleared by the immune system. See Letter p.547
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Serrano, M. Final act of senescence. Nature 479, 481–482 (2011). https://doi.org/10.1038/479481a
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DOI: https://doi.org/10.1038/479481a