Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is a large right pleural effusion with associated right mid and lower lung atelectasis . Crowding of bronchovascular markings at the right hilum likely account for right suprahilar opacity though difficult to exclude an underlying mass . Followup to resolution advised . Left lung is clear . No pneumothorax . No bony abnormalities .
    OUTPUT:
    
Large right pleural effusion with significant atelectasis of the right middle lower lobes . Difficult to exclude an underlying acute process . Abnormal appearance of the right pulmonary hilum likely due to crowding of bronchovascular markings . Followup to resolution advised .