Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates in the mid SVC . Lung volumes are low . Heart size is . The aorta is mildly tortuous . Mediastinal and hilar contours unremarkable . There is no pulmonary vascular congestion . Patchy ill - defined opacity within the right lung base likely reflects atelectasis . 17 mm nodular opacity projecting over the left mid lung field is demonstrated . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Low lung volumes with patchy right basilar opacity which likely reflects atelectasis . 2 . 17 mm nodular opacity projecting over left mid lung field . Correlation with any previous cross - sectional imaging is recommended . If there has been no CT performed of the chest , then this should be further assessed with a non emergent chest CT .