Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right upper lung scarring is re - demonstrated . Opacity along the periphery of the right major fissure correlates to fat on the previous CT . No evidence of pneumonia are new . The cardiac , hilar and mediastinal contours are normal . No pleural effusion , pulmonary edema , or pneumothorax . VP shunt catheter and IVC filter are incompletely imaged . Right breast prosthesis is also noted .
    OUTPUT:
    
No acute cardiopulmonary process .