Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small left basilar opacity seen on the lateral view . There is a subcentimeter nodule projecting over the left upper lung in between the sixth and seventh posterior ribs , which appears to have increased in size since ___ . The lungs are hyperinflated . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . Small left basilar opacity representing pneumonia . 2 . Subcentimeter nodule in left upper lung , which has increased in size since ___ . Recommend follow - up CT after resolution of pneumonia to evaluate nodule .