Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is remarkable for left ventricular configuration of the heart and a mildly tortuous thoracic aorta . There is no focal consolidation or pleural effusion . No pneumothorax . Severe degenerative changes are again noted in the left glenohumeral joint as well as a large loose body .
    OUTPUT:
    
No acute intrathoracic abnormality .