Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous CT angiogram of the chest from ___ . Increased density at the left lung base which silhouettes the left hemidiaphragm laterally is compatible with patient 's known biventricular cardiomegaly and configuration of the heart . Lungs are clear of focal consolidation or evidence of pulmonary vascular congestion . Cardiomediastinal silhouette is unchanged compared to prior CT scan scout film . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .