Lymphatic Malformation 6, also known as generalized lymphatic dysplasia of fotiou, is related to piezo1-related generalized lymphatic dysplasia with non-immune hydrops fetalis and lymphatic malformation 1. An important gene associated with Lymphatic Malformation 6 is PIEZO1 (Piezo Type Mechanosensitive Ion Channel Component 1 (Er Blood Group)). Affiliated tissues include testis and skin, and related phenotypes are splenomegaly and cellulitis