Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Small bilateral pleural effusions are present with lower lobe opacities likely representing atelectasis though pneumonia can not be excluded . Heart size is stably mildly enlarged . Mild hilar engorgement is present . Biapical pleural parenchymal scarring is seen . Bony structures appear grossly intact . Left distal clavicular deformity is chronic .
    OUTPUT:
    
Mild cardiomegaly , small pleural effusions and lower lobe opacities likely representing atelectasis versus pneumonia . Mild hilar engorgement .