Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 09 : 23 is submitted .
    OUTPUT:
    
Left subclavian PICC line unchanged in position . Overall cardiac and mediastinal contours are likely stable given patient rotation on the current study . Lungs appear well inflated without evidence of focal airspace consolidation to suggest pneumonia . No pleural effusions or pneumothorax . No pulmonary edema . Nodular opacity in the right apex is felt to correspond to the first costochondral junction .