Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post left upper lung resection . Diffuse reticulonodular interstitial markings are chronic , but undiagnosed . Consolidation of both lower lobes and right middle lobe is similar to prior . There is small pleural effusion bilaterally . Fibrotic changes at the left hilum stable from prior . Right pectoral infusion port terminates in the right atrium . There is no new consolidation compared to ___ . Cardiac silhouette is obscured by lung consolidation .
    OUTPUT:
    
Diffuse reticulonodular interstitial pattern is chronic . Due to the the severity of this chronic pathology , detection of subtle pneumonia would be difficult . There is no obvious large pneumonia .