Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Since ___ , pulmonary edema has resolved . The heart size has decreased and now is normal . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . Mediastinal silhouette and hilar contours are normal . Bilateral nodules projecting over the lower lungs are nipple shadows and should not be mistaken for lung nodules .
    OUTPUT:
    
No acute intrathoracic process .