Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Mild cardiomegaly is grossly unchanged from comparison study . There is no pneumothorax , effusion , or focal consolidation . There is no pulmonary interstitial edema or congestion . Imaged osseous structures are unremarkable . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Cardiomegaly without pulmonary edema or other acute intrathoracic abnormality .