Question: what is the difference between invasive ductal carcinoma and ductal carcinoma in situ?
Answer: What Is The Difference Between Invasive Ductal Carcinoma (IDC) And Ductal Carcinoma In Situ (DCIS)? DCIS means the cancer is still contained in the milk duct and has not invaded any other area. IDC is cancer that began growing in the duct and is invading the surrounding tissue.