{"batchcode": "ACB37738", "histograms": [{"batchcodes": ["ACB37738"], "histogram": {"Echocardiogram": 2, "Headache": 2, "Lip swelling": 2, "Periorbital swelling": 2, "Eyelid bleeding": 1, "Magnetic resonance imaging": 1, "Magnetic resonance imaging head": 1, "Periorbital haemorrhage": 1, "Unevaluable event": 1}}]}