Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated to the left . The lungs are clear without focal consolidation , effusion , or pneumothorax . There is likely at least mild cardiomegaly although evaluation is limited due to patient positioning . There is no visualized pneumomediastinum . Right humeral head orthopedic hardware is identified .
    OUTPUT:
    
Cardiomegaly without definite superimposed acute cardiopulmonary process .