Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new moderate loculated right - sided pleural effusion with associated compressive atelectasis . An opacification projecting over the heart on the lateral view was not seen on the prior study of ___ and in the proper clinical setting could represent right middle lobe pneumonia . The lungs are stably hyperexpanded , suggesting air trapping . There is no pulmonary vascular congestion or pulmonary edema . The rounded contour seen at the left hilum is more prominent on the current study compared with ___ , in spite of improved positioning and a dedicated chest CT is recommended for further evaluation . The heart size is top - normal . Left chest wall dual chamber pacemaker leads in standard position .
    OUTPUT:
    
1 . New moderate loculated right - sided pleural effusion . 2 . New opacity in the right middle lobe , which in the proper clinical setting could represent right middle lobe pneumonia . 3 . Prominent left hilar contour for which dedicated chest CT is recommended .