Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Again noted is a left arm PICC line with its tip residing in the SVC . No orogastric tube is visualized . In the upper abdomen , an IVC filter is noted . In the lower lungs there is interval development of subtle hazy opacity which could represent atelectasis though the possibility of an early consolidation can not be excluded . The upper lungs appear clear and well - aerated . No large effusion . No pneumothorax . Cardiomediastinal silhouette is stable . No acute osseous abnormality is seen .
    OUTPUT:
    
Left arm PICC line in place . Subtle increased hazy opacity in the lower lungs may represent atelectasis versus developing consolidation .