A Study to Evaluate Sildenafil for the Treatment of Lymphatic Malformations May 27, 2020checkorphan Learn more about: Lymphangioma Related Clinical Trial Compassionate Use of BYL 719 Alpelisib Imaging of Lymphatic Anomalies A Study to Evaluate Sildenafil for the Treatment of Lymphatic Malformations Recruitment InformationAdministrative Informations