Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . On the lateral view , there is a focal opacity overlying the minor fissure , as well as a spine sign likely from a vague retrocardiac opacity seen on the PA view . Otherwise , cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Constellation of findings raise concern for pneumonia .