Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains normal . Widening of the upper mediastinum is stable and is accounted for by mediastinal fat as seen on chest CT from ___ . Increasing indentation on the left upper trachea at the level of the clavicles may reflect new pathology in the left thyroid lobe , which appears hypertrophied on the prior chest CT . Left pleural effusion is small if present . There is no pneumothorax or right pleural effusion . There is no focal consolidation concerning for pneumonia . Pulmonary vessels appear slightly more engorged , but there is no overt edema .
    OUTPUT:
    
1 . No focal consolidation or large effusions . 2 . Increased focal indentation on the left upper trachea in the upper mediastinum , which may reflect thyroid pathology . This should be evaluated in light of clinical findings , and thyroid ultrasound may be obtained for further evaluation .