What Does Sinus Rhythm Non Specific T-wave Abnormality Mean?

What does it mean I have Sinus Rhythm non specific t-wave abnormality Borderline ECG and echocardiogram is not normal...RVH Catt Mitral Annulus. Do I need an operation. I am 73 yrsold... Had these tests done at a health fair and they sent the results to me in the mail. Joyce Adams