For the 4th of February - World Cancer Day 2018
In the biennial mammography screening programme, the most frequent diagnosis of breast cancer in its preliminary stages is, biologically, the most aggressive form. High-grade ductal carcinoma in situ holds the greatest risk of developing into a so-called invasive carcinoma. The tumour in question is malignant and grows into the surrounding tissue, and can spread into the lymphatic nodes and other organs.