Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no focal consolidation , effusion , or pneumothorax . The heart is somewhat smaller in size compared to ___ , though still mildly enlarged . Moderate left pleural effusion is larger . Small right effusion has improved . Lung volumes remain low . There is a homogeneous area of opacification within the left lower lobe , likely atelectasis . No pneumothorax or pulmonary edema .
    OUTPUT:
    
Previously moderate left pleural effusion is larger and small right effusion has improved . Homogeneous area of opacification of the left lower lobe , likely atelectasis . Heart size is mildly enlarged , though smaller compared to ___ .