Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Exam is limited due to portable technique and patient 's body habitus . The lungs are grossly clear of confluent consolidation . Blunting of the left lateral costophrenic angle could be due to overlying soft tissues and technique . Known right upper lung nodule is less clearly seen on the current exam but is seen as a vague opacity projecting between the anterior second and third ribs . Cardiomediastinal silhouette is stable as are the osseous and soft tissue structures .
    OUTPUT:
    
No definite acute cardiopulmonary process .