Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Sternotomy wires , mediastinal clips are unchanged . Patient is status post partial resection of the left lower lobe with volume loss and mild elevation of the left hemidiaphragm . The right lung is hyperexpanded . There is a blunting of the left costophrenic angle , likely a small pleural effusion . There are increased interstitial markings compared to prior study and fullness of the hila which may indicate mild pulmonary vascular congestion and mild interstitial pulmonary edema . No focal consolidation .
    OUTPUT:
    
Mild pulmonary vascular congestion and interstitial pulmonary edema . Small left pleural effusion .