this report assesses the importance of two-dimensional echocardiography and its greater reliability and sensitivity compared with : ( 1 ) m-mode echo in identifying pericardial tumors and establishing their relationships to nearby cardiac structures , and ( 2 ) standard chest x-ray in differentiating solid masses from cysts and in defining the characteristics of cysts walls .
C0349574
pericardial tumors
C0018787
cardiac structures