Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show a right - sided Port - A - Cath with the tip unchanged in position terminating in the upper SVC . A left - sided shunt catheter is seen coursing superior to inferior and out of view on these images . Diffuse coarse reticular opacities have been present intermittently over the past year and a half and now present predominantly in the left lung base , similar in appearance to ___ and new from the preceding radiograph of ___ . This may represent recurrent infection , particularly in the clinical setting of fever or less likely disseminated lymphangitic metastasis responsive to chemotherapy or localized edema due to pulmonary venous thrombosis . A small left pleural effusion with fluid extending into the oblique fissure is new from ___ . No pneumothorax , pulmonary vascular congestion or pulmonary edema is present . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
1 . Recurrent coarse reticular opacities in the left lower lung , similar to ___ and new from ___ represent recurrent infection in the clinical setting of fevers . Alternatively , disseminated lymphangitic metastasis responsive to chemotherapy or localized edema due to pulmonary venous thrombosis . 2 . Small left pleural effusion new from ___ .