Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , or pneumothorax . Several pulmonary nodules are noted in the left lung . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Multiple pulmonary nodules , consistent with patient 's history of metastatic rectal cancer .