Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears borderline for enlargement . There is similar mild relative elevation of the right hemidiaphragm and a calcified lesion projecting over the right breast . On the right , there is a small - to - moderate new pleural effusion . There is no pleural effusion on the left . There is no pneumothorax . The lung parenchyma appears clear .
    OUTPUT:
    
New right - sided pleural effusion ; otherwise unremarkable .