Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heterogeneous opacities in the left lung have only partially improved compared to the previous study , with substantial opacities remaining , particularly in the left juxtahilar and retrocardiac regions . Additionally , a poorly defined opacity in the left upper lobe at the level of the left third anterior rib appears more conspicuous than on the prior study . The right lung is clear . Heart size remains normal . Fullness of left hilar contour suggests possible lymphadenopathy . Small hiatal hernia is incidentally noted . There are no pleural effusions or pneumothoraces . The bones are demineralized , and mild compression deformities in the lower thoracic spine are unchanged .
    OUTPUT:
    
Only partial improvement of left lung abnormalities since ___ . Chest CT is recommended for further characterization as entered into radiology communications dashboard on ___ .