Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is diffuse increase in interstitial markings bilaterally which could relate to chronic interstitial lung disease versus interstitial edema . No pleural effusion is seen . No evidence of pneumothorax . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette mildly enlarged . The aorta is calcified . Multiple old fracture deformities of right - sided ribs is again seen .
    OUTPUT:
    
Increased interstitial markings bilaterally . Query chronic lung disease versus interstitial edema . Mild cardiomegaly .