Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Compared to prior , there has been interval enlargement of the right - sided pleural effusion . There is a persistent left - sided effusion which is grossly unchanged . Superiorly , the lungs demonstrate mildly indistinct pulmonary vascular markings suggesting vascular congestion . Cardiomediastinal silhouette is unchanged , at least moderately enlarged . Chronic changes seen at the shoulders bilaterally . Mid thoracic vertebral body severe compression deformity is again noted .
    OUTPUT:
    
Interval increase in size of right - sided pleural effusion with probable underlying atelectasis , noting that infection can not be entirely excluded . Persistent left effusion and mild pulmonary vascular congestion .