Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left lower lobe retrocardiac consolidation has progressed since 9 :00 a .m . , and now silhouettes the left hemidiaphragm . Right basilar consolidation has also progressed . No effusion or pneumothorax is present . The cardiac and mediastinal contours are normal .
    OUTPUT:
    
Progression of left lower lobe and right lower lobe consolidations which are nonspecific . This may represent progression of infection or other alveolar - filling process such as hemorrhage . Findings were discussed with Dr . ___ ___ telephone at 4 :30 p .m . on___ .