Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is subtle patchy right middle lobe opacity most likely relates to atelectasis , although an early consolidation can not be excluded in the appropriate clinical setting . The left lung is clear . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . Mediastinal contours also unremarkable .
    OUTPUT:
    
Patchy right lung base opacity most likely may relate to atelectasis and vascular structures , although consolidation is not excluded in the appropriate clinical setting . Also , if there is concern for underlying pulmonary lesion , CT is more sensitive .