Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Elevated right hemidiaphragm noted . There is a right chest wall Port - A - Cath with its tip in the region of the mid SVC . There is mild cardiomegaly which is incompletely assessed given silhouetting of the right heart border . No definite signs of pneumonia , edema , effusion or pneumothorax . Mediastinal contour is grossly unremarkable . Bony structures appear intact . Degenerative changes in the thoracic spine noted without definite sign of compression fracture .
    OUTPUT:
    
No acute findings . Elevated right hemidiaphragm . Mild cardiomegaly .