Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Cardiomegaly appears unchanged with bilateral small pleural effusions and lower lobe atelectasis . There is hilar congestion . Airspace opacities in the right mid to lower lung could reflect pneumonia . No large pneumothorax . Densely calcified tracheobronchial tree appears slightly kinked along the superior mediastinum though this is similar to the prior exam . Bony structures appear grossly intact .
    OUTPUT:
    
Cardiomegaly with hilar congestion , small bilateral effusions and probable pneumonia in the right mid to lower lung .