Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Inspiratory volumes are slightly low . Allowing for this , the heart is borderline , with a left ventricular configuration . Mediastinal and hilar contours are within normal limits . No CHF , focal infiltrate or effusion is detected . No mediastinal air is identified . Increased density along the inner surface of the right chest wall is consistent with mild pleural thickening or prominent subpleural fat , in keeping with findings on a ___ CT scan . . The diaphragms are slightly flattened . Mild elevation of the right hemidiaphragm , similar in appearance to the prior radiographs . No obvious vertebral body compression is detected .
    OUTPUT:
    
No acute pulmonary process identified .