Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The mediastinal and hilar contours appear within normal limits . There are patchy opacities in the left lower lobe suggestive of pneumonia in the appropriate setting , including a nodular component of opacification . A nipple shadow projects over the left lower hemithorax . The bony structures are unremarkable .
    OUTPUT:
    
Left basilar opacity worrisome for pneumonia , but including a nodular component . Followup radiographs are suggested to show resolution within eight weeks .