Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a pigtail type chest tube at the base of the left lung . No pneumothorax is detected . As before , there are increased markings in left upper zone , with faint density correspond to the known spiculated mass there . Associated with this , there is poor definition of the left superior hilum . Also again seen is increased density at to left base . This could represent a combination of left lower lobe collapse and / or consolidation and possible small amount pleural fluid . The appearance is similar , possibly slightly worse , compared 1 day earlier . Minimal atelectasis at the right lung base again noted . Otherwise , the right lung is grossly clear . No CHF or focal infiltrate identified . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Equivocal slight worsening of opacity at the left lung base . Otherwise , doubt significant change compared with ___ at 07 :36 .