Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasal consolidations appear worse compared with prior exam . There is also a new focus of a band - like consolidation extending from the left heart margin superiorly into the left mid lung . There is obscuration of the bilateral cardiac margins as well as the left hemidiaphragms . There might be a small left - sided pleural effusion . There is no evidence of pneumothorax . Aortic knob calcifications are present . Evidence of prior vertebroplasties is noted in the thoracic spine .
    OUTPUT:
    
Significant interval worsening of bibasal consolidations , with new opacity extending across the left lower lung and associated small left - sided pleural effusion . Finding could reflect pneumonia superimposed on a chronic lung disease .