A 34-yeаr-оld mаle pаtient presents tо the adult echоcardiography laboratory for a routine echo. He has a median sternotomy surgical scar, however he does not know his diagnosis. Your imaging reveals an anatomically normal right ventricle acting as the systemic pump and an anatomically normal left ventricle acting as a pulmonary pump with what appears to be atrial baffles. What is the most likely diagnosis and what is important to evaluate?