Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Platelike atelectasis seen in the right mid lung . Mediastinal and hilar contours are unremarkable . Scoliosis again seen . There is a new right medial lung base opacity . No pleural effusion or pneumothorax .
    OUTPUT:
    
New right medial lung base opacity , this may represent pneumonia or possibly a mass . Recommend oblique views for further evaluation .