Table 2.

Malignant tumor characteristic

Size	More than 5 cm
Number	More than one
Location	Right heart involvement or more than one cardiac chamber
Implantation	Broad base of implantation
Infiltration	Direct infiltration of structures such as myocardium, valves, epicardial fat and pericardial leaflets
Effusion	Pericardial or pleural hemorrhagic effusion
Signal intensity	Heterogeneous signal intensity in T1-weighted and T2-weighted images
Perfusion	Heterogeneous enhancement
EGE and LGE	Heterogeneous enhancement

EGE: Early gadolinium enhancement; LGE: Late gadolinium enhancement.