Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right chest wall Port - A - Cath is noted with its tip in the lower SVC . Patient is known to have multiple pulmonary nodules which are better assessed on prior CT chest . Subtle nodularity is however noted in the right lung base . Mild volume loss in the left lung base is noted which likely reflect interval development of atelectasis . Difficult to exclude pneumonia . A small adjacent pleural effusion is difficult to exclude . No pneumothorax . No edema . Cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Pulmonary nodules better assessed on prior CT chest . Left basal opacity likely atelectasis though can not exclude pneumonia . Possible adjacent small pleural effusion . Port - A - Cath positioned appropriately .