Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again , there is slight obscuration of the right hemidiaphragm , which appears as streaky opacities on the lateral view , likely reflecting early infection . No pleural effusion . Heart is normal size . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Unchanged obscuration of the right hemidiaphragm , may be due to overlying soft tissue or possibly early infection .