Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This exam is severely limited by suboptimal positioning . A right PICC terminates at the lower SVC . Small bilateral pleural effusions are suggested , appearing new since ___ . No definite consolidation is detected . No large pneumothorax is seen .
    OUTPUT:
    
Limited evaluation due to suboptimal positioning . Repeat radiographs should be performed with improved posture . Equivocal small bilateral pleural effusions .