Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath device is seen with tip terminating in the SVC . A moderate to large - sized hiatal hernia is re-demonstrated along with mild cardiomegaly , unchanged . The mediastinal and hilar contours are stable . The pulmonary vascularity is not engorged . Linear opacities in the lung bases are compatible with subsegmental atelectasis and are similar when compared to the prior study . No focal consolidation , pleural effusion or pneumothorax is present . Multilevel degenerative changes are noted in the thoracic spine , the osseous structures are diffusely demineralized . No gross lytic or sclerotic osseous abnormality is present . No acute fracture is seen .
    OUTPUT:
    
1 . No definite focal lytic or sclerotic osseous abnormality is seen . 2 . Moderate to large hiatal hernia and unchanged bibasilar subsegmental atelectasis .