Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette remains enlarged . The aorta is calcified and tortuous . The aortic knob appears top normal , stable since the prior study . There are low lung volumes . There is prominence of the perihilar interstitial markings bilaterally consistent with mild pulmonary edema . There has been interval removal of left - sided PICC since the prior study . There is severe compression of a lower thoracic vertebral body , grossly stable as compared to ___ . There appears to be blunting of the posterior left costophrenic angle which may be due to a pleural effusion .
    OUTPUT:
    
Low lung volumes and mild pulmonary edema . Cardiomegaly . There appears to be blunting of the posterior left costophrenic angle which may be due to a pleural effusion .