Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval improvement since ___ of the focal increased opacity with air bronchograms and associated elevation of the right hemidiaphragm in the right lung base , favoring atelectasis over a developing infection . Otherwise , no significant interval change . Stable prominent cardiomegaly and widened mediastinum . Stable bilateral low lung volumes . No pleural effusion or pneumothorax . The trach appears appropriately positioned and is seen on - end . The position of the left PICC line appears unchanged . The left - sided VP shunt is only clearly seen down to the level of the mid and lower thorax , but a sulcal likely unchanged .
    OUTPUT:
    
1 . Appropriate position of trach . 2 . Improved right lung atelectasis since ___ .