Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 05 :06 is submitted .
    OUTPUT:
    
Marked right pleural calcifications encasing most of the lung limiting evaluation . However , overall appearance has not changed . The previously noted interstitial edema has improved . There is blunting of the left costophrenic angle which may reflect a small effusion . Several calcified nodular opacities in the left lower lung and at both apices are suggestive of prior granulomatous infection . No definite new airspace consolidation is appreciated . Overall cardiac and mediastinal contours are stable given differences in patient rotation . A nasogastric tube is seen coursing below the diaphragm with the tip not identified . Endotracheal tube and right central line are unchanged in position .