Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post AVR / TVR repair . Bilateral low lung volumes again seen . New right mild pleural effusion . Linear atelectasis in the left lower lung again seen . No pneumothorax is seen . The cardiac and mediastinal silhouettes are unchanged . Interval removal of the right IJ sheath . Right PICC with tip in lower SVC . Median sternotomy wires and valve replacements are seen again .
    OUTPUT:
    
New small right pleural effusion . Unchanged appearance of left lower lung atelectasis . Interval removal of right IJ sheath .