MCQs CMR

What could be the most probably diagnosis of the following mass?

What do you see in the following sequence?

What do you think about the diagnosis?

What do you see in the following cine-sequences?

What do you think about the following cine-sequences?

61 years old woman, episodes of chest pain, absence of coronary artery disease at ICA. No other diseases. No hypertension. No familial diseases Known. EKG: ST abnormalities in V4-V6.
Which is the best interpretation of these images?