Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate diffuse bilateral interstitial fibrosis and cystic changes . There is no focal airspace consolidation . Heart is mildly enlarged and cardiomediastinal contour is notable for a tortuous thoracic aorta and a very prominent right hilus suggesting an enlarged pulmonary artery or lymphadenopathy . Lung volumes are low . There is a rounded lucency at the right lung apex , likely representing a bulla . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No focal consolidation or evidence of pulmonary edema . 2 . Severe interstitial lung disease / fibrosis . 3 . Very prominent right hilus likely reflecting an enlarged pulmonary artery or presence of lymphadenopathy .