Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An approximately 3 .1 - cm diameter mass is present in the right upper lobe , located at a site of these smaller nodule on the ___ radiograph . There is an apparent area of cavitation superiorly . The lungs are otherwise remarkable for worsening left basilar atelectasis adjacent to a small left pleural effusion . Stable appearance of mediastinal widening . Unchanged left bronchial stent . Interval placement of esophageal stent since the recent radiograph , with no evidence of acute complications such as pneumomediastinum or pneumothorax . Healed left rib fracture is incidentally noted .
    OUTPUT:
    
1 . Status post esophageal stent placement with no evidence of immediate complications such as pneumomediastinum or pneumothorax . 2 . Cavitary right apical lung nodule has grown since ___ , and may represent a primary lung neoplasm or metastatic disease . 3 . Small left pleural effusion with adjacent left basilar atelectasis .