Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Heart size and cardiomediastinal contours are normal . There is elevation of the left hemidiaphragm with minimal left base atelectasis . No focal consolidation , pleural effusion , or pneumothorax . A 6 .5 x 6 .6 cm thin - walled cyst in the right lung is similar to ___ .
    OUTPUT:
    
No acute cardiopulmonary process .