Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right double lumen hemodialysis line terminates in the lower right atrium , overall unchanged compared to the prior exam . Left - sided pacemaker leads terminate in the right atrium and right ventricle unchanged in position compared to the prior exam . Mild cardiomegaly is been stable compared to exams dated back to at least ___ . The hilar and mediastinal contours are normal . Obscuration of the left hemidiaphragm is concerning for a left lower lobe consolidation . There may be a small left pleural effusion . There is no evidence of a pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Consolidation of the left lower lobe is concerning for pneumonia .