Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are stable in comparison to priors . The bilateral hila are unremarkable . Again seen is hazy opacity of the left lower lung , likely related to overlying breast tissue , as on multiple prior exams . There is no definite focal lung consolidation . There are low lung volumes . There is no evidence of pulmonary vascular congestion or pulmonary edema . There is no pneumothorax . There is no right pleural effusion . A trace left pleural effusion is difficult to exclude given overlying soft tissue .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of pulmonary vascular congestion or pulmonary edema .