Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is diffuse coalescing airspace opacification with a mid to lower lung zone predominance . Air bronchograms seen in the left lower lobe area . ETT in situ with the tip at the superior aspect of the mid clavicles 66 mm proximal to the carina ( please note that this is a lordotic projection which may cause the ETT tip to project higher than it actually is ) . Right reversed shoulder arthroplasty in situ .
    OUTPUT:
    
ETT tip in the appropriate position . Multifocal pneumonia which shows interval progression .