Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP chest radiograph . Right - sided Port - A - Cath tip is in stable position . Left upper lobe collapse and small left pneumothorax persists . The left lower lobe is partially opacified but also obscured by the cardiomediastinal silhouette . Mild leftward shift of the trachea is consistent with volume loss . The right lung is hyperexpanded . Spiculated mass seen on CT is partially obscured by the right first rib .
    OUTPUT:
    
1 . Small left pneumothorax . 2 . Left upper lobe collapse . Left lower opacities better charachterized on subsequent CT . 3 . Spiculated right upper lobe mass , better charachterized on subsequent CT .