Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The left AICD is seen in place , unchanged . There are low lung volumes . There is no focal consolidation , pleural effusion or pneumothorax . There is mild cardiomegaly .
    OUTPUT:
    
Low lung volumes . No acute intrathoracic process . Mild cardiomegaly .