Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . No large effusion noting that the left costophrenic angle is excluded from the field of view . There is mild cardiac enlargement potentially accentuated by AP technique and low lung volumes . No acute osseous abnormalities .
    OUTPUT:
    
Mild enlargement of the cardiac silhouette without acute cardiopulmonary process .