Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right base atelectasis is seen . Left base opacity may be due to atelectasis and overlying soft tissue , but underlying consolidation due to infection and / or aspiration not excluded . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . The right humeral head appears inferiorly subluxed in relation to the glenoid which could be due to true subluxation versus a joint effusion .
    OUTPUT:
    
Left base opacity , may be due to atelectasis and overlying soft tissue , but underlying consolidation due to infection and / or aspiration not excluded . Right humeral head appears inferiorly subluxed in relation to the glenoid , could be due to true subluxation versus a joint effusion .