Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Postoperative changes of esophagectomy with gastric pull - through are again seen with lucency paralleling the right aspect of the mediastinum and dense retrocardiac opacity . Lower lung volumes seen on the current exam . Spiculated left perihilar nodule with fiducial marker is again noted . Satellite nodular opacities more peripherally are as seen on recent CT . There is no new focal consolidation . Right chest wall port is seen with catheter tip in the mid to lower SVC .
    OUTPUT:
    
No definite acute cardiopulmonary process . Findings compatible with esophagectomy and gastric pull - through . Spiculated left perihilar nodule with adjacent more peripheral nodular opacities are as seen on recent chest CT .