Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the current exam with streaky left basilar opacity which is compatible with atelectasis . Superiorly , the lungs are clear without focal consolidation . There is no effusion or pneumothorax . Degree of cardiomegaly is unchanged . Tortuosity of the descending thoracic aorta is again noted as well as median sternotomy wires which are intact . Compression deformity in the upper lumbar spine is unchanged . No acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly without superimposed acute cardiopulmonary process .