<s>[INST] i have a lump under my knee which is very painfull and begining to look blue! went to walk in centre last night and sais could be a abscess, so he put on something on to bring to a head, but has not done a thing, i take warafrin amongst other drugs as i have had embolisms, also i have oulmonery hypertension, the pain is just getting worse! help [/INST] HI,Dear,Thanks for the inquisitive query to HCM.1-I studied your query in depth.2-In my opinion , this painful lump below your knee,blue in colour,is mostly a hematoma-post-unknown-trauma,as you are on warfarin.3-I would advise you not to handle surgically as it would complicate your general health, which is already bad, being with pulmonary embo with pulmonary-hypertension. 3-a-I would advise you to consult your doctor Urgtly,as it indicates that warfarin dosage needs to b reduced after the Test for Bleeding time and prothrombine time.4-Hope this would solve your query .5-Wellcome for more queries to me On HCM.6-Thnks once again for your inquisitive query.Have a Good Day..!! </s>