Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new left PICC which crosses midline points toward the head . It is likely within the upper SVC or right internal jugular vein . The heart size is stably enlarged . There is no significant change in the degree of pulmonary edema and small bilateral pleural effusions . There is a retrocardiac opacity which is unchanged and may be related to significant volume loss in the left lower lung . There is no pneumothorax .
    OUTPUT:
    
1 . Malpositioned left PICC as above . 2 . Otherwise unchanged appearance of the heart and lungs .