Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-erect chest radiograph ___ at 07 :46 is submitted .
    OUTPUT:
    
Tracheostomy tube remains in satisfactory position . Stable cardiac and mediastinal contours status post median sternotomy . Left subclavian PICC line unchanged in position . Persistent retrocardiac consolidation and increasing patchy opacity at the right base possibly representing worsening atelectasis , although pneumonia should also be considered . Probable small layering left effusion . No pulmonary edema . No pneumothorax .