Fig. 1From: Genome-wide cell-free DNA methylation analyses improve accuracy of non-invasive diagnostic imaging for early-stage breast cancerPatient enrollment and sample collection. We recruited 210 consecutive female patients from the Cancer Hospital of the Chinese Academy of Medical Sciences and Peking Union Medical College (CHCAMS, n = 160, the discovery cohort) and the Harbin Medical University Cancer Hospital (HMUCH, n = 50, the validation cohort) from April 1, 2019, to August 31, 2019, as part of the DETEct study (Deciphering Epigenetic signatures in Tumor and Exploiting ctDNA)Back to article page