Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . There is a subtle 9 mm nodular opacity projecting over the left lung base , at the level the anterior left 6th rib , which while may represent overlap of vascular structures , underlying pulmonary nodule is not excluded . The cardiac and mediastinal silhouettes are unremarkable . Evidence of DISH is seen along the thoracic spine .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . 9 mm nodular opacity projecting over the left lower lung which , while may represent overlap of vascular structures , pulmonary nodule is not excluded . Recommend oblique radiographs for further evaluation and if finding persists , nonurgent chest CT for further evaluation .