Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New left - sided PleurX catheter with complete resolution of the left - sided effusion . New small basilar left - sided pneumothorax . Progressive multifocal airspace opacities involving the left upper lobe , right hilar and right lower lobe . Right lower lobe pleural effusion has slightly increased . Moderate cardiomegaly .
    OUTPUT:
    
New small left basal pneumothorax . Progressive multifocal airspace opacities have progressed likely multifocal pneumonia .