Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lower lobe has previously been ascribed to a Nocardia infection and by report , is demonstrating ongoing involution . It measures 9 .4 mm on today 's examination versus ___ .2 mm on ___ chest x-ray . Recommend correlation with prior reports for full assessment . A calcified granuloma is again seen at the left lung base . Rounded density lateral to the azygos vein likely corresponds to a calcified node . There is cardiomegaly , similar to ___ , including marked enlargement of the atrium . Mild prominence of the right pulmonary artery , with a tapered appearance . No evidence of CHF . No focal infiltrate or gross effusion .
    OUTPUT:
    
Cardiomegaly , unchanged . No CHF or obvious pleural effusion . Focal nodule again seen at right lung base . Please see comments above .