Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No pneumonia . The lungs are clear except for a new plate - like atelectasis in the lingula . Left - sided PICC line in adequate position . Mediastinal and cardiac contour are normal . No pleural effusion . No pneumothorax . Mild degenerative changes in the dorsal and lumbar spine and degenerative change in the right acromioclavicular joint .
    OUTPUT:
    
No pneumonia . No acute findings .