Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are lung volumes . The study is slightly underpenetrated due to body habitus . The cardiac silhouette is top - normal . The mediastinal contours are stable and unremarkable . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . No overt pulmonary edema .
    OUTPUT:
    
Low lung volumes and slightly underpenetrated examination making evaluation slightly suboptimal . Given this , no definite acute cardiopulmonary process identified .