Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest . Tracheostomy tube is again seen as well as a right PICC in stable position with tip in the mid SVC . There has been interval improvement in the appearance of the lungs with resolution of moderate bilateral effusions . There are however persistent bibasilar left greater than right parenchymal opacities . Cardiomediastinal silhouette is stable notable for moderate cardiomegaly . No acute osseous abnormality detected .
    OUTPUT:
    
Interval improvement since prior exam with resolution of previously seen pleural effusions . Persistent left greater than right parenchymal opacities at the bases could represent persistent infection .