Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Of semi-erect chest radiograph ___ at 12 :23 is submitted .
    OUTPUT:
    
Endotracheal tube has its tip approximately 5 cm above the carina . Interval placement of a left subclavian PICC line which has its tip in the proximal to mid SVC . A nasogastric tube is seen coursing below the diaphragm with the side port just below the gastroesophageal junction . Patchy opacity in the right lower medial lung base is unchanged and could reflect a developing pneumonia . Clinical correlation is advised . No pulmonary edema . No pneumothorax .