Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette appears relatively unchanged compared to prior study . Worsening opacification within the right lung base is concerning for an infectious process . There is a small to moderate sized right pleural effusion . The aortic knob remains calcified . There are persistent ill - defined nodular opacities demonstrated within the upper lobes , slightly progressed when compared to the prior study , which could represent an inflammatory or infectious process . Deformity of the left humeral head is suggestive of old trauma , with degenerative changes .
    OUTPUT:
    
1 . Worsening opacification within the right lung base concerning for infection with a small to moderate sized right pleural effusion . 2 . Persistent ill - defined nodular opacities with an upper lobe predominance , which may be slightly progressed when compared to the prior study . As before , this can be further evaluated with a dedicated chest CT , as it may represent an infectious or inflammatory process .