hello! some doubts (TCM metoidioplasty done the 9th of march)

i unplugged the SP cathether as directed from Ubirajara because i discovered a fistula when i removed my foley... but now? i will remove the SP today, and i have the fly tomorrow at 9:20. will the hole be closed by tomorrow? should i fly with a high waist diaper and with exchanges? im really scared... and also... how can i know i don't have a stricture together with the fistula? is it possible or i shouldn't worry? i feel the rate of pee/ amount of drinking was in favor with the drinking, but the surgeon didn't provide me with graduated containers to measure my pee so i have no actual clue... i asked in the whatsapp group yesterday at night but this morning there's no answer 😭

thank you very much