Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable mild - to - moderate cardiomegaly . There is a left - sided port which terminates in the mid SVC . There appears to be slight interval worsening of a left perihilar opacity which could be secondary to an infectious process . Diffuse mild bilateral pulmonary edema is stable . There is known retrocardiac atelectasis .
    OUTPUT:
    
Interval increase in the left perihilar consolidation concerning for pneumonia . Findings were discussed with Dr . ___ by Dr . ___ on the day of the exam by telephone at 4 : 40 pm .