{
 "serie": "s601_T1W_aTSE",
 "n_imgs": 24,
 "s": 28.5,
 "respuesta": "Based on the provided coronal T1-weighted MRI slices of the right ankle, here is the radiological report:\n\n**Abnormal Findings:**\n\n1.  **Location:** Medial tibiotalar joint (medial gutter).\n    *   **Description:** There are prominent marginal osteophytes arising from the articular margins of the medial malleolus and the medial aspect of the talus. This finding is indicative of medial compartment osteoarthritis.\n    *   **Confidence:** High.\n\n2.  **Location:** Inferior to the lateral malleolus.\n    *   **Description:** A small, well-corticated bony fragment is visible just distal to the tip of the fibula. This is consistent with an os subfibulare or an old, ununited avulsion fracture.\n    *   **Confidence:** High.\n\n**Normal Structures:**\n\n*   **Bones/Marrow:** The bone marrow signal throughout the visualized tibia, fibula, talus, and calcaneus is normal and fatty, with no evidence of acute fracture, bone contusion, or infiltrative process.\n*   **Tendons:** The visualized portions of the medial flexor tendons (tibialis posterior, flexor digitorum longus, flexor hallucis longus), lateral peroneal tendons (longus and brevis), anterior extensor tendons, and the posterior Achilles tendon appear normal in caliber and signal intensity.\n*   **Joints:** The subtalar joint and the lateral compartment of the tibiotalar joint appear relatively preserved on these T1-weighted images.\n*   **Soft Tissues:** The surrounding subcutaneous fat and soft tissues are unremarkable."
}