{"batchcode": "1818609", "histograms": [{"histogram": {"Dyspnoea": 1, "Embolism venous": 1, "Fibrin D dimer increased": 1, "Full blood count": 1, "Pain in extremity": 1, "Thrombosis": 1, "Ultrasound Doppler abnormal": 1}, "batchcodes": ["1818609"]}]}