Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate an opacification at the right lung base concerning for infectious process . Additionally , there is a subtle opacification seen in the left upper lobe which may be within the lung , versus related to costochondral cartilage of the first rib . There is persistent prominence of the right hila , which was seen as far back as ___ , but is slightly increased . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . Opacification at the right lung base concerning for infectious process . 2 . Subtle opacification seen in the left upper lobe which may be within the lung , versus related to costochondral cartilage of the first rib . Recommend dedicated CT of the chest with contrast for additional evaluation .