Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes . Heart is moderately enlarged . Trace bilateral pleural effusions are likely . There is no pneumothorax . There are prominent interstitial markings bilaterally , which may reflect interstitial pulmonary edema or chronic interstitial lung disease . Intrathoracic aorta appears tortuous . Aortic arch calcifications are noted . Partially imaged upper abdomen is unremarkable . Bones are diffusely demineralized .
    OUTPUT:
    
Low lung volumes . Moderate cardiomegaly . Prominent interstitial markings , which may reflect interstitial edema or chronic interstitial lung disease . Trace pleural effusions .