Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates in the mid SVC . Heart size is normal . The mediastinal contour appears relatively unchanged with known necrotic lymphadenopathy better assessed on the previous CT . Enlargement of the hila bilaterally corresponds to known necrotic lymph nodes . Pulmonary vasculature is not engorged . Elevation of the right hemidiaphragm persists and likely reflects the presence of a small pleural effusion . Innumerable metastases are seen throughout the lungs , increased from the previous chest radiograph , but similar when compared to the recent CT . Patchy right basilar opacity may reflect atelectasis . No pneumothorax is identified . No acute osseous abnormality is seen .
    OUTPUT:
    
Innumerable pulmonary metastases , as seen on the previous CT . Continued bilateral hilar lymphadenopathy . Known mediastinal lymphadenopathy is better assessed on the previous CT . Chronic elevation of the right hemidiaphragm with small right pleural effusion and right basilar opacity , likely atelectasis .