Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left upper extremity PICC line again seen with its tip in the mid SVC region . There is mild elevation of the left hemidiaphragm again noted . Subtle haziness of the left lung base likely reflects the presence of a small pleural effusion . There is hilar congestion which is new from prior . Right lung is clear . Heart size is difficult to assess . Mediastinal contour is unchanged . Tracheobronchial tree calcifications noted . Bony structures are intact .
    OUTPUT:
    
Hilar congestion , small left pleural effusion new from prior . PICC line unchanged .