Recurrent non-invasive breast tumors may not always be related to the primary lesion

More than 10 percent of cases of recurrent ductal carcinoma in situ (DCIS) of the breast were "de novo" tumors that occurred independently of the primary lesion and had distinct genetic alterations, according to data presented during the AACR Annual Meeting 2022, held April 8-13.
More than 10 percent of cases of recurrent ductal carcinoma in situ (DCIS) of the breast were «de novo» tumors that occurred independently of the primary lesion and had distinct genetic alterations, according to data presented during the AACR Annual Meeting 2022, held April 8-13.