Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Port -A - Cath is seen in the right chest wall with catheter tip in the low SVC . Lungs are hyperinflated and clear . No pleural effusion or pneumothorax . Cardiomediastinal silhouette is unchanged Mild cardiomegaly again seen . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process . Mild cardiomegaly .