Supplemental Breast Ultrasound in Mammography Screening for Women with Critically Dense Breasts. - Heywang-Köbrunner, Sylvia H.; Elsner, Susanne A.; Haußmann, Eva; Hacker, Astrid; Grieger, Paula; Hadwiger, Moritz; Hertlein, Michael; Katalinic, Alexander (Cancers, 2026)