Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Right sided catheter has been removed . The cardiac silhouette is borderline enlarged . The pulmonary vasculature is unremarkable . The aorta is unfolded with vascular calcifications demonstrated at the aortic knob . There is no pleural effusion or pneumothorax . No definite consolidation is identified . Coronary calcifications are noted .
    OUTPUT:
    
No acute intrathoracic process .