Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated which exaggerates the size of the mediastinum significantly . A right - sided PICC line terminates at the cavoatrial junction . The aorta is tortuous and unfolded . Cardiac size is top normal . Left lower lobe opacities are relatively stable over the prior few studies . Comparison made to the ___ CT demonstrates atelectasis , effusion and additional consolidations in this area worrisome for pneumonia . Right - sided basal atelectasis is also present . The upper lungs are clear . There is no free air . Severe degenerative changes of the right glenohumeral joint as well as left - sided shoulder replacement are stable .
    OUTPUT:
    
Left lower lobe opacities , previously seen on a CT from ___ are likely a combination of effusion , atelectasis as well as pneumonia .