Table 1.

Frequency of cardiac masses, and the percentages of primary and secondary tumors, cysts and thrombi in the study group.

N: 64,862 patients
Cardiac mass	No of patients	Cardiac mass %	Study group %
Primary tumor	36	28.35	0.056
Primary benign tumor	33	25.98	0.050
Primary malignant tumor	3	2.36	0.004
Secondary malignant tumor	20	15.75	0.030
Cyst	3	2.36	0.004
Thrombus	68	53.54	0.104
Total cardiac mass	127		0.195