Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Projecting over the interspace between the left posterior ___ and 8th ribs , there is a small focal opacity which may represent a focus of infection . The right lung is clear . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . No overt pulmonary edema is seen .
    OUTPUT:
    
Small focal opacity projecting over the left mid to lower lung could represent pneumonia in the appropriate clinical setting . Recommend followup to resolution .