Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of focal consolidation or effusion . Increased density over the right hemithorax compared to the left , unchanged . Correlate with possible history of left mastectomy . Cardiomediastinal silhouette is within normal limits . Surgical clips project over the lower aspect of the neck . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .