Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . No prior . Examination is limited by patient body habitus . Streaky left basilar opacity is suggestive of atelectasis , especially in the setting of relatively low lung volumes . There is no definite pulmonary vascular congestion , consolidation , or effusion . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .