Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pectoral pacer lead terminates in the right ventricle . There is a small layering right pleural effusion , substantially improved compared to ___ . Right basilar consolidation , likely representing compressive atelectasis , although superimposed infection would be difficult to exclude in the appropriate setting . Left lung is essentially clear . No pneumothorax . Heart remains moderately enlarged .
    OUTPUT:
    
Small right pleural effusion , improved from ___ .