Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy is in good position . There is a right PICC line , which terminates in the lower SVC . There is a dialysis catheter , which terminates in the right atrium . In comparison to the prior radiograph the bilateral alveolar opacities , right worse than left , have improved with better visualization of the right heart border and hemidiaphragm . Heart size is stable . The mediastinal and hilar contours are stable . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are surgical clips seen in the upper abdomen .
    OUTPUT:
    
In comparison to the prior radiograph the bilateral alveolar opacities , right worse than left , have improved with better visualization of the right heart border and hemidiaphragm .