Clinical Data of Matched Primary and Locally Recurrent Breast Cancer Samples

De Marchi T, Pyl PT, Sjöström M, Reinsbach SE, DiLorenzo S, Nystedt B, Tran L, Pekar G, Wärnberg F, Fredriksson I, Malmström P, Fernö M, Malmström L, Malmström J, Nimèus E.. File reports clinical data of 27 primary breast cancers and their associated ipsilateral breast tumor recurrences (samples marked with S).

Additionally, a cohort of 21 primary breast tumors with no recurrence is reported (samples marked with V). Data includes age at diagnosis of primary tumor, time to recurrence (S samples) or follow-up (V samples), Estrogen receptor status (positive/negative), progesterone receptor status (positive/negative), ERBB2 status (normal/amplified), proliferation marker Ki-67 (low/high), tumor grade (1/2/3), and adjuvant therapies (yes/no).