Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Consolidative opacity within the right upper lobe abutting the minor fissure is new compared to the prior study , and given the history of brain metastases , is concerning for a neoplastic process . There is likely adjacent post-obstructive pneumonia or atelectasis . Blunting of the right costophrenic angle suggests the presence of a small pleural effusion . There is no pneumothorax . The heart size is normal . The aorta is tortuous . Left lung is grossly clear . There are no acute osseous abnormalities .
    OUTPUT:
    
Consolidative opacity within the right upper lobe . Given the history of brain metastases , findings are concerning for a neoplastic process with postobstructive pneumonia or adjacent atelectasis . Further evaluation with CT is recommended .