Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right IJ catheter , which terminates in the mid SVC . There is a left PICC line , which also terminates in the mid SVC . The reticulonodular opacification at the right base is unchanged compared to prior . There is bibasilar atelectasis and a small left pleural effusion . There are no new focal consolidations . The cardiomediastinal silhouette is stable . The pulmonary vasculature is normal . No pneumothorax is seen . There is severe degenerative changes at the left glenohumeral joint , but no acute osseous abnormalities .
    OUTPUT:
    
1 . Appropriate positioning of the right IJ and left PICC line . 2 . Reticulonodular opacification at the right base unchanged from prior without evidence of new consolidations . 3 . Bibasilar atelectasis and a small left pleural effusion . 4 . Severe degenerative changes at the left glenohumeral joint .