Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Midline sternotomy wires are noted . There is an eventration of the right hemidiaphragm . There is no definite sign of pneumonia or CHF . Minimally prominent lung markings at the right lung base likely reflect crowding of bronchovasculature with a possibility of an early pneumonia considered is thought unlikely . No pleural effusion or pneumothorax . Heart size is normal . Mediastinal contour unremarkable . Bony structures intact .
    OUTPUT:
    
No signs of pneumonia .