2F91
category
Neoplasms of unknown behaviour of middle ear, respiratory or intrathoracic organs
4 subordinate codes
Nearby in Neoplasms of unknown behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues
2F90Neoplasms of unknown behaviour of oral cavity or digestive organs2F92Neoplasms of unknown behaviour of skin2F93Neoplasms of unknown behaviour of retroperitoneum2F94Neoplasms of unknown behaviour of peritoneum2F95Neoplasms of unknown behaviour of breast2F96Neoplasms of unknown behaviour of female genital organs2F97Neoplasms of unknown behaviour of male genital organs2F98Neoplasms of unknown behaviour of urinary organs