The few studies of N‐WASP in human cancers have shown a correlation between increased expression of N‐WASP and poor prognosis and/or advanced stage in pancreatic adenocarcinoma 14, hepatocellular carcinoma 15, oesophageal squamous carcinoma 16, and invasive ductal carcinoma of the breast 6. Here, WASL is linked to invasive ductal breast carcinoma.