### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
FINDINGS OF MY LEFT LEG MRI REPORT ARE; EVIDENCE OF STIR HYPERSENSITIVITY SEEN INVOLVING THE POSTERIOR HORN OF MEDIAL MENISCUS. MODERATE JOINT EFFUSION IS SEEN WITH EXTENTION ITO SUPRA -PETELLAR RECESS,PARA-CODYLAR,INTERCODYLAR REGIONS AND TIBIO-FEMORAL JOINT SPACE. THERE IS EVIDENCE OF MILD PATCHY STIR HYPERSENSITIVITY SEEN INVOLVING THE LATERAL FEMORAL CONDYLE -LIKELY MILD MARROW EDEMA/CONTUSION. THERE IS EVEDINCE OF MILD FLUID SEEN INNSUPERFICIAL TO THE MEDIAL COLLATERAL LIAMENT-LIKELY GRADE 1 SPRAIN. SUBTLE PATCHY STIR HYPERSENSITIVITY SEEN INVOLVING THE SUBARTICULAR ASPECT PATELLA-LIKELY GRADE 1 CHONDROMALACIC CHANGES. IMPRESSION 1.GRADE 2 HORIZONTAL TEAR POSTERIOR HORN OF MEDIAL MENISCSU. 2.MODERATE JOINT EFFUSION. GRADE1 CHONDROMALACIC CHANGES INVOLVING PATELLA.

### output:

careful history of onset and reason has to be evaluated, whether any trauma or sudden jerk during movement occurred or is there no history of preceding trauma. Is effusion gradual ad swelling increasing? All this to differentiate tear of posterior horn or synovitis due to insidious onset of arthritis aaaaaaaaa/rheumatoid?you must meet an orthopedic doctor to evaluate these points co-relating history, clinical findings and MRI. Additional information about collateral ligament if trauma occurred and to rule out bursitis in and around knee. Treatment is usually knee support in brace, rest,aspiration cytology and therapeutic Chat Doctor. Pain medicines, anti-inflammatory meds and local infiltration with steroid, if necessary, after complete evaluation. Thanks