<prompt> Which stage of LGV infection is associated with bubos?First stageSecond stageThird stageThroughout all stages  <response>: LGV infection:Primary stage:Small, painless, papulovesicular Ext.genitaliaUsually unnoticedIP: 3 days to 5 weeksSecondary stage:About 2 weeks later- lymphatic spread to draining lymph nodesMen -Inguinal L.N women -Intrapelvic Para rectal nodesBuboenlarge, suppurate, adherent to the skin- break down- sinuses -discharging pusHemorrhagic proctitis with Regional L.NThird stage:Chronic several yearsScarring lymphatic blockageRectal strictures elephantiasis of vulva ESTHIOMENERef: Ananthanarayan 9th edition, p420-421 