Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior chest radiograph performed yesterday morning , there is no significant interval change . There is opacification of the left lung base , which may be due to overlapping soft tissue . However , underlying consolidation is difficult to exclude in the absence of a lateral view . There is no substantial pleural effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are noted in the aortic arch . Limited evaluation of the right shoulder shows a sclerotic and flattened humeral head along with glenoid deformity . These findings are better demonstrated on the dedicated shoulder film dated ___ .
    OUTPUT:
    
1 . Left lung base opacity , which may be due to overlapping soft tissue but underlying consolidation is difficult to exclude without a lateral view . 2 . Significant right glenohumeral joint deformity , better evaluated on dedicated radiograph ___ .