Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 07 : 55 is submitted .
    OUTPUT:
    
Feeding tube , endotracheal tube , right internal jugular large bore catheter , and right subclavian PICC line are unchanged in position . Status post median sternotomy with stable postoperative cardiac and mediastinal contours . There continue to be bilateral scattered patchy opacities in both lungs with interval appearance of more focal areas of nodular opacity in both costophrenic angles . Findings may reflect pneumonia , although in a bedridden patient , pulmonary emboli should also be considered . Followup imaging may be helpful . Stable layering left effusion .