Thirty percent of ductal carcinoma in situ of the breast in Japan is extremely low-grade ER(+)/HER2(-) type without comedo necrosis.

Conclusion In Japan, ER(+)/HER2(-) without comedo necrosis accounts for about 30% of DCIS and is LGD. This may be being overdiagnosed. J. Med. Invest. 63: 192-198, August, 2016. PMID: 27644557 [PubMed - as supplied by publisher]
Source: Journal of Medical Investigation - Category: Journals (General) Tags: J Med Invest Source Type: research