Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi supine view of the chest . A left upper extremity access PICC line is seen with its tip in the region of the lower SVC . Extensive bilateral pulmonary opacities concerning for pneumonia . Difficult to exclude a component of edema . No large effusion or pneumothorax is seen . Overall heart size appears relatively normal . Mediastinal contour is prominent likely due to supine position . Bony structures are intact .
    OUTPUT:
    
Extensive bilateral pulmonary opacities concerning for multifocal pneumonia , likely with a component of edema . PICC line positioned with its tip in the low SVC .