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Although testicular cancer is the most common malignancy in young men, a study of Israeli conscripts shows that screening is unlikely to be helpful ( Am J Epidemiol doi:10.1093/aje/kwaf241). Detecting a single case of cancer required physical examination of 75 000 men, 176 ultrasound investigations, and 112 urology consultations. Most cancers were diagnosed at stage 1, regardless of whether they were detected by screening.