Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Fusion hardware at the upper T - spine again noted . A triangular opacity projecting over the left lateral lung base could reflect a rib or chest wall lesion in this patient with history of multiple myeloma . No convincing signs of pneumonia , edema , effusion or pneumothorax . Overall cardiomediastinal silhouette is normal .
    OUTPUT:
    
Triangular opacity projecting over the left lateral lung base could reflect expansile bone lesion or lesion within the chest wall in this patient with multiple myeloma .