Patient presents with right knee swelling, also documented as right knee edema or effusion.  Onset of swelling is reported as (acute, subacute, chronic), beginning (duration) ago.  Patient describes the pain as (sharp, dull, aching, throbbing) and rates it (numeric pain scale 0-10).  Associated symptoms include (stiffness, limited range of motion, warmth, erythema, instability, locking, clicking, popping, crepitus).  Patient denies (any pertinent negatives, e.g., fever, chills, recent trauma).  Physical examination reveals (palpable effusion, warmth, erythema, tenderness to palpation along the joint line, medial joint line tenderness, lateral joint line tenderness, patellar tenderness, decreased range of motion compared to the contralateral knee, presence or absence of McMurray sign, presence or absence of Lachman test, presence or absence of anterior drawer sign, presence or absence of posterior drawer sign).  Differential diagnosis includes osteoarthritis, rheumatoid arthritis, meniscus tear, ligament injury (ACL tear, MCL tear, LCL tear, PCL tear), bursitis, tendinitis, gout, pseudogout, septic arthritis, and Baker's cyst.  Ordered (imaging studies - x-ray, MRI, ultrasound), and (laboratory tests - CBC, ESR, CRP, uric acid) to further evaluate the etiology of the right knee swelling.  Initial treatment plan includes (RICE - rest, ice, compression, elevation), (NSAIDs - ibuprofen, naproxen), and (activity modification).  Patient education provided on knee injury treatment, knee pain management, swelling reduction techniques, and the importance of follow-up care.  Return to clinic scheduled in (timeframe) for reevaluation and further management as indicated by diagnostic results.