EditorialSusan Karnick, who opted for a prophylactic mastectomy when she tested positive for the PALB2 gene, in Crystal Lake, Ill., Aug. 9, 2021. (Taylor Glascock/The New York Times)
EditorialYvette Lowery with her oncologist in Rock Hill, S.C., on March 4, 2021, before she underwent a double mastectomy.?(Travis Dove/The New York Times)