Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , lung volume has minimally decreased , accentuating the lung markings . There is persistent left basal pleural abnormality with elevation of the left hemidiaphragm , likely due to persistent pleural fluid and associated volume loss . Nodular opacity projecting over the left anterior third rib is likely a fissural nodule , measuring up to 1 .2 cm . There is no pneumothorax . Cardiomediastinal silhouette is difficult to assess due to volume loss associated leftward shift , the likely unchanged .
    OUTPUT:
    
1 . Persistent left basal pleural abnormality , stable in size and extent . 2 . Left fissural nodule .