Similarity between symptoms of respiratory diseases and cancer

Ulcers of the mouth, hoarse voice or changes of voice that do not improve in two or three weeks with difficulty in swallowing food or breathing; persistent nasal discharge, skin patches and nodules in the neck are some of the symptoms of head and neck cancer ( CCC) and are often mistaken for respiratory infections of the mouth [19659002]. ] After Dr. Sergio Buenaventura, Medical Oncologist of the High Specialty Medical Clinic # 25 of the IMSS, the diversity of symptoms and their similarity with other diseases make difficult in rapid diagnosis: "In Mexico, 70% of cases of ENT cancer are diagnosed at an advanced stage because patients and doctors of first contact do not attach these nonspecific and subtle symptoms to a more serious condition." [19659002] Tumors from clavicles and tumors are called head and neck cancer, including cancer of the skin, thyroid, central nervous system, salivary glands and mouth, nostrils, larynx and the pharynx.

In Mexico, the different types of cancer of the head and neck account for up to 17.6% of all cases reported in the Histopathological Record of Neoplasms in Mexico (RHNM),