Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The heart is mildly enlarged . There are trace bilateral pleural effusions . Linear density in the left mid lung is unchanged likely representing a focus of scarring . There is no overt edema or convincing signs of pneumonia . Flattened diaphragms with widened AP diameter of the chest may reflect underlying COPD . No pneumothorax . Mediastinal contour is stable . Bony structures are intact . No free air below the right hemidiaphragm . DISH related changes of the T - spine noted .
    OUTPUT:
    
Mild cardiomegaly with tiny pleural effusions . No overt evidence for pneumonia or edema . Probable underlying COPD .