Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes causing bronchovascular crowding , unchanged from multiple prior studies . There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette , including mild cardiomegaly , is unchanged . A rounded opacity in the left lower lung may represent a pulmonary nodule or superimposition of normal structures .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Rounded opacity in the left lower lung can be further evaluated at the time of already scheduled CTA chest .