I created two infographics to explain this and to help primary patients recognise symptoms of secondary breast cancer.
Click the images below to view/download as PDF:
ABCDiagnosis Ductal Breast Cancer Infographic
The first is for DUCTAL breast cancer. Latest version (8) produced 21/11/2019.
ABCDiagnosis Lobular Breast Cancer Infographic
The below infographic is for LOBULAR Breast Cancer as breast cancer metastasizes to different areas than a normal ductal lump: