because cardiac lymphomas may respond to therapy with prolonged survival , it is imperative that clinicians suspect cardiac or pericardial involvement in lymphoma patients who have radiographic evidence of intrathoracic lesions ( especially adjacent to cardiac borders ) , unexplained tachyarrhythmia or conduction disturbance , evidence of outflow obstruction , or signs and symptoms suggesting pericardial effusion or tamponade .
C1332850
cardiac
C0018787
cardiac