Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Tracheostomy tube projects over the superior mediastinum . A left chest wall Port - A - Cath is in place with catheter tip in the region of the low SVC . The lungs are clear without focal consolidation , large effusion or pneumothorax . No signs of congestion or edema . Heart and mediastinal contours are stable . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No signs of pneumonia or other acute intrathoracic process .