Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated which could suggest chronic pulmonary disease . Right greater than left increased interstitial markings are nonspecific but could reflect edema , less likely infection depending on the clinical situation . Nonetheless bilateral central airspace opacities and mild to moderate cardiomegaly suggests a component of volume overload . Aortic knob calcifications are moderate . No pneumothorax or pleural effusion .
    OUTPUT:
    
Findings most suggestive of volume overload and / or heart failure , although of the patient has fever , infection is possible .