Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal chest radiograph again demonstrates low lung volumes with severe right lower lobe atelectasis and obscuration of the heart borders . Some fluid is again seen tracking along the minor fissure , similar to slightly worse from ___ . The left lung is clear . There is no pneumothorax . Additionally noted are tiny lytic lesions throughout both proximal humeri , not present on prior radiographs .
    OUTPUT:
    
1 . Stable to slightly worsened right pleural effusion with evidence of volume loss . 2 . Lytic lesions are newly apparent in each proximal humerus and appear aggressive ; differential considerations an aggressive metabolic demineralizing but other possibilities include multiple myeloma , although probably less likely . A bone survey and correlation with calcium panel and serum electrophoresis may be appropriate to investigate further if needed clinically .