Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs demonstrate diffuse innumerable rounded lesions many of which are calcified in a perihilar distribution greater on the left than the right consistent with patient 's history of Cowden disease with numerous pulmonary hamartomas . There is no pleural effusion or pneumothorax . The pulmonary vasculature is essentially normal . Evaluation of the hilar in cardiomediastinal contours is limited due to diffuse pulmonary lesions but appears within normal limits . There is calcification of the aortic knob . No acute osseous abnormality is detected .
    OUTPUT:
    
Innumerable pulmonary lesions many of which are calcified and consistent with a hamartomas related to the patient 's known Cowden disease . Superimposed infection is difficult to exclude in this setting , especially without prior chest radiographs available for comparison .