Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Limited examination due to patient rotation . Within these limitations , there is a mild vascular congestion . No definite focal consolidation . Cardiac silhouette is moderately enlarged , unchanged from ___ . There is no pneumothorax or large pleural effusion . A left complete shoulder arthroplasty is present .
    OUTPUT:
    
Limited examination due to patient rotation . Mild vascular congestion . No definite focal consolidation .