International Society for the Study of<unk><unk>  (ISSVA) has now classified<unk><unk>  into<unk>  tumors and<unk>  malformations with an<unk>  category for lesions that show clinical and histological characteristics unique from disorders classified in<unk>  tumors and<unk>  malformations.
Provisionally unclassified vascular anomalies
Patent foramen ovale pathophysiology
Aortic dissection management during pregnancy
Immunization during pregnancy
Endocardial cushion defect pathophysiology
High risk pregnancy
Patent foramen ovale post-surgical complications
Abrupt closure during coronary intervention