We report nuclear grade 1 or 2 DCIS with necrosis as DCIS with central necrosis, nuclear grade 1 or 2, not mentioning comedo necrosis.

• 对于有坏死的、核级1或2的DCIS，我们报告为“DCIS伴中央坏死，核级别1或2”，不提及粉刺样坏死。