Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large 5 .6 cm irregular mass in the right lower lung better seen on concurrent chest CT and is likely a combination of projections from the two large lesions noted on chest CT . There is no pneumothorax or pleural effusion . Cardiac size is normal .
    OUTPUT:
    
Large mass in the right lower lobe lung better seen on concurrent chest CT concerning for primary malignancy or metastatic disease .