Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate massive cardiomegaly , although similar as compared to ___ . The lungs are relatively well aerated without evidence of vascular congestion , pneumothorax , or pleural effusion , raising question of cardiomyopathy . There is in addition , azygous fullness , suggestive of a component of right heart failure . The airway is midline . Anterior wedging of L1 vertebral body is unchanged since ___ .
    OUTPUT:
    
1 . Chronic severe cardiomegaly without pulmonary edema suggestive of cardiomyopathy . Azygous fullness suggests a component of right heart failure . 2 . Stable L1 wedge deformity .