Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient just had right upper lobe lobectomy . Persistent left apical air cavity is unchanged measuring 3 .5 cm . Small left pleural effusion has slightly improved . Right lung reticular opacities could reflect improving asymetric pulmonary edema or pulmonary hemorrhage . Mediastinal and cardiac contours are not enlarged .
    OUTPUT:
    
Patient just had right upper lobe lobectomy . Persistent aeric right apical pleural cavity is unchanged .