Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates well expanded lungs with mild equalization of blood flow . No pleural effusion or pneumothorax . Mild cardiomegaly is noted . Mediastinum contour and hila are unremarkable .
    OUTPUT:
    
Mild cephalization of pulmonary blood flow is of uncertain chronicity . If acute it would indicate early cardiac decompensation .