Congenital absence of the pericardium: displacement of the heart associated with tricuspid insufficiency.

This report describes a patient with congenital absence of the left pericardium with displacement of the heart into the left pleural space and associated tricuspid insufficiency. Excision of the ruptured chordae, plication of the flail anterior leaflet, and tricuspid annuloplasty rendered a competent tricuspid valve.