Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are increased with decreased right basilar atelectasis . No pneumonia or pulmonary edema . A nodular opacity in the left midlung measures 17 mm , unchanged from ___ radiograph , not within the field of view of CT of the abdomen and pelvis from ___ . Mediastinal contours , hila , and cardiac silhouette are normal . No pleural effusion or pneumothorax . The left hemidiaphragm is elevated , increased from ___ . A right Port - A - Cath terminates in the low SVC , unchanged .
    OUTPUT:
    
1 . Left hemidiaphragm is elevated . No other significant change . 2 . 17 mm left midlung nodular opacity is stable from ___ . Given history of colorectal cancer , metastasis is a possibility and further evaluation could be obtained with chest CT , if clinically relevant .