Invasive lobular carcinoma accounts for 5-10% of invasive breast cancer. Invasive lobular carcinoma accounts for 5-10% of invasive breast cancer. The histologic patterns include: Overall, the five-year survival rate of invasive lobular carcinoma was approximately 85% in 2003. Loss of E-cadherin is common in lobular carcinoma but is also seen in other breast cancers.