Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A poorly defined opacity has developed in the right infrahilar region , with an adjacent linear opacity . Additional patchy opacity is new in the left retrocardiac area . Cardiomediastinal contours are within normal limits . Small pleural effusions are new compared to the prior radiograph . Prominence of the splenic contour is noted in the imaged portion of the upper abdomen .
    OUTPUT:
    
1 . New patchy and linear lower lung opacities , likely due to atelectasis or acute aspiration given rapid development . 2 . Prominent splenic contour .