Fibromatosis is a fibroblastic lesion composed of uniform fibroblasts and collagen with an infiltrative growth pattern but lacking malignant cytological features. It is a rare entity and is even more unusual when found in the breast. Multicentricity in fibromatosis has been reported in 10% cases. https://www.spidertattooz.com/OMEGA-Seamaster-Aqua-Terra-150M-220-10-38-20-02-001-p15833/