Lymphatic and other vascular malformative/overgrowth disorders are caused by somatic mutations in PIK3CA - Luks, V L; Kamitaki, N; Vivero, M P; Uller, W; Rab, R; Bovée, J V; Rialon, K L; Guevara, C J; Alomari, A I; Greene, A K; Fishman, S J; Kozakewich, H P; Maclellan, R A; Mulliken, J B; Rahbar, R; Spencer, S A; Trenor, C C; Upton, J; Zurakowski, D; Perkins, J A; Kirsh, A; Bennett, J T; Dobyns, W B; Kurek, K C; Warman, M L; McCarroll, S A; Murillo, R (J Pediatr, 2015)