Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided demonstrate mild cardiomegaly without signs of failure . No definite signs of pneumonia , effusion , or pneumothorax . Mediastinal contour appears normal . Degenerative changes are noted at both shoulders . Clips in the right upper quadrant noted . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly . No acute intrathoracic process .