arteriovenous, vaginal, small, anal, urinary, vesicovaginal, congenital, intestinal, multiple, cavernous, internal, large, rectovaginal, external, bronchopleural, gastric, traumatic, perianal, enterocutaneous, pulmonary, enteric, venous, pancreatic, coronary, rectal, cutaneous, chronic, vesical, palatal, spontaneous, branchial, urethral, cerebrospinal, salivary, bilateral, native, complex, postoperative, oronasal, obstetric, dural, permanent, fecal, cervical, gastrointestinal, persistent, anorectal, perineal, oesophageal, ureteral, faecal, duodenal, bronchial, enterovesical, tuberculous, spinal, ureterovaginal, labyrinthine, aortoenteric, experimental, larger, numerous, intracranial, secondary, biliary, blind, recurrent, urethrovaginal, parotid, complicated, renal, extensive, ureteric, tracheoesophageal, lymphatic, antral, genital, residual, perilymphatic, peripheral, smaller, malignant, perilymph, genitourinary, uterine, systemic, distal, artificial, acute