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Manusinhh/
medgemma-finetuned-cxr-summerizer

Name: medgemma-finetuned-cxr-summerizer
Availability: InStock

safetensors

gemma3

apache-2.0

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🧠 MedGEMMA Summarizer Model – CXR Clinical Reasoning → Impression

This model is a fine-tuned version of google/medgemma-4b-it trained to summarise step-by-step radiological reasoning into concise radiology impressions.

🩺 Use Case

Given a structured or natural language clinical reasoning (e.g., output from a vision-language reasoning model), this summarizer produces a final radiological impression suitable for downstream clinical applications.

📚 Training Data

This model was fine-tuned on 10k step-wise annotated samples from the Manusinhh/cxr-10k-reasoning-dataset, derived from the MIMIC-CXR dataset.

Each sample includes:

reasoning: Step-wise explanation of radiological features
impression: Final concise report summary

🔍 Inference Example

python

messages = [
    {
        "role": "user",
        "content": [
            {
                "type": "text",
                "text": f"Summarise the following clinical reasoning into a concise radiology impression:\n\n{reasoning_text}"
            }
        ]
    }
]

formatted_text = processor.apply_chat_template(
    messages, tokenize=False, add_generation_prompt=True
)

inputs = processor.tokenizer(formatted_text, return_tensors="pt").to(model.device)

with torch.no_grad():
    outputs = model.generate(**inputs, max_new_tokens=100)

generated_tokens = outputs[0][inputs["input_ids"].shape[1]:]
summary_output = processor.tokenizer.decode(generated_tokens, skip_special_tokens=True)

📘 Citation

Please cite the original MIMIC-CXR dataset authors:

Johnson AE, Pollard TJ, Berkowitz SJ, et al. MIMIC-CXR: A de-identified publicly available database of chest radiographs with free-text reports. Scientific Data. 2019;6:317. https://doi.org/10.1038/s41597-019-0322-0

Manusinhh/medgemma-finetuned-cxr-summerizer