{"batchcode": "043B31A", "histograms": [{"histogram": {"Cytogenetic analysis": 1, "Deep vein thrombosis": 1, "Fibrin D dimer increased": 1, "Pain in extremity": 1, "Peripheral swelling": 1, "Skin discolouration": 1, "Ultrasound Doppler abnormal": 1}, "batchcodes": ["043B31A", "047C21A"]}]}