Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . Mild cardiac enlargement and tortuosity of the thoracic aorta is noted . No acute osseous abnormalities . Degenerative changes are noted at the shoulders .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .