Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and hilar contours are unchanged with redemonstration of mild central pulmonary vasculature engorgement . Again appreciated is a roughly 2 cm nodular opacity at the right lung base corresponding to a similarly consolidative focus on recent CT examination is suggestive of infectious process . A small left effusion is unchanged . The left - sided chest tube has been removed without residual pneumothorax . Subcutaneous gas in the lateral chest wall soft tissue is improved .
    OUTPUT:
    
Removal of left chest tube without residual pneumothorax . Residual tiny left pleural effusion and similar appearance of the right lung base nodular density previously characterized as possible pneumonia on CT .