Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Medial , posterior right base opacity is worrisome for pneumonia . The left lung is clear aside from minimal left base linear atelectasis / scarring . No definite pleural effusion is seen , although a trace effusion would be difficult to exclude on the right . There is no pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Right lower lobe pneumonia . Recommend followup to resolution .