{"batchcode": "EX 0438", "histograms": [{"histogram": {"Peripheral swelling": 2, "Autoimmune disorder": 1, "Dysphagia": 1, "Ear swelling": 1, "Erythema": 1, "Feeling hot": 1, "Full blood count": 1, "Investigation": 1, "Pain in extremity": 1, "Pharyngeal swelling": 1, "Thrombosis": 1, "Ultrasound scan": 1, "X-ray": 1}, "batchcodes": ["EX 0438"]}]}