Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains moderately enlarged . Mediastinal and hilar contours are similar . The pulmonary vasculature is not engorged . Small bilateral pleural effusions are likely present . Subsegmental atelectasis is noted in the left lung base . No focal consolidation or pneumothorax is identified . There are minimal degenerative changes noted in the thoracic spine . Increased opacity projecting over the left posteolateral seventh rib is unchanged , and likely related to underlying metastasis .
    OUTPUT:
    
Trace bilateral pleural effusions .