Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there is an increased right lower lobe density , which obscures the right hemidiaphragm . Lung volumes remain low . Atelectasis of the left lung base is unchanged . There is no pneumothorax . A right PICC line tip terminates in the mid to low SVC , unchanged position . Cardiomediastinal and hilar contours are within normal limits and unchanged .
    OUTPUT:
    
Increased right lower lobe density , which may represent a combination of pleural effusion and consolidation . However , given the patient 's clinical presentation , the possibility of a pulmonary embolus should also be considered and further followup is recommended with a chest CT . These findings were discussed with Dr . ___ by Dr . ___ via telephone on ___ at 4 : 15 p .m . , at time of discovery .