Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In the interval since the prior study , the patient has been intubated . The endotracheal tube terminates approximately 3 .5 cm above the level the carina . The patient is somewhat rotated on today 's study which limits assessment of the cardiomediastinal contour . Left lower lobe atelectasis . The masslike opacity seen on the prior study is not clearly visualized on today 's study . Mild pulmonary vascular congestion is similar when compared to the prior study . Linear atelectasis in left mid lung . Left shoulder hemiarthroplasty .
    OUTPUT:
    
Cardiomegaly , mild pulmonary vascular congestion but no frank pulmonary edema . Left lower lobe atelectasis obscures the left lower lobe mass seen on the prior study .