Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower than prior , with increased interstitial markings . Cardiomegaly is unchanged . There is a focal area of opacification in the left lateral mid lung , seen previously . There is no pleural effusion or pneumothorax . Pacing wires unchanged in position , median sternotomy wires are present . Right shoulder deformity unchanged . T10 compression fracture also stable .
    OUTPUT:
    
Findings compatible with pulmonary edema , increased from prior radiograph . Unchanged opacity projecting near the pacer battery site , may represent atelectasis in this region .