<prompt> All form right heart border EXCEPT?Right ventricleIVCRight atriumSVC  <response>: BORDERS OF HEART Right border slightly convex: formed by the right atrium, SVC, and the IVC. Left border nearly horizontal: formed by the left ventricle and slightly by the left auricle. Inferior border oblique, nearly vertical, formed mainly by the right ventricle and slightly by the left ventricle. Superior border: formed by the right and left atria and auricles in an anterior view 