Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right PICC is unchanged in position with the tip terminating in the proximal right atrium , which should be retracted 3 cm to place in the low SVC . A left pectoral pacemaker with a single lead terminating in the right ventricle is again seen . A right ventriculoperitoneal shunt is seen coursing across the right neck and right hemi thorax into the abdomen . A large left pleural effusion is slightly decreased in size from ___ with associated underlying atelectasis or consolidation . A moderate right pleural effusion is unchanged with associated atelectasis of the right lung base . The cardiac silhouette is incompletely evaluated . The mediastinal contours are within normal limits . There pleuro parenchymal scarring in the bilateral lung apices appears relatively symmetrical .
    OUTPUT:
    
1 . Right PICC with tip in proximal right atrium should be retracted 3 cm to place in the low SVC . 2 . Decreased size of large left pleural effusion from ___ . 3 . Unchanged moderate right pleural effusion and atelectasis .