{"batchcode": "2031A21A", "histograms": [{"histogram": {"Hypoaesthesia": 2, "Balance disorder": 1, "Blood test": 1, "Catheterisation cardiac abnormal": 1, "Chest discomfort": 1, "Coronary arterial stent insertion": 1, "Coronary artery thrombosis": 1, "Dyspnoea": 1, "Electrocardiogram abnormal": 1, "Myocardial infarction": 1, "Neuropathy peripheral": 1, "Peripheral swelling": 1}, "batchcodes": ["2031A21A"]}]}