Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Low lung volumes . There is no focal consolidation , pleural effusion , or pneumothorax . There is mild to moderate cardiomegaly . The aorta is tortuous . There is a hiatal hernia .
    OUTPUT:
    
No acute cardiopulmonary process . Mild to moderate cardiomegaly . Hiatal hernia .