Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mediastinal widening is new , and could be due to venous engorgement , which along with pulmonary vascular congestion and possible increase in heart size , all attest to heart failure . However , there is particular widening of the mediastinum in the region of the aortopulmonic window , which should be monitored to exclude either adenopathy or even aortic dissection , and there is a focal area of consolidation at the right lung base , which could be concurrent pneumonia . Careful radiographic followup is warranted . Dr . ___ was paged to report these findings , at the time of dictation .
    OUTPUT:
    
AP chest compared to ___ and ___ .