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The early and complete diagnosis of lung carcinoid tumors is of great interest in clinical oncology, since this is the basis for the possibility of using options for organ-sparing surgical treatment. According to the 2015 WHO classification, carcinoids belong to the group of neuroendocrine tumors and are divided into two types: a typical carcinoid and an atypical one. Based on the data available in the literature, there are from 0.2 to 2 cases per 100,000 population. The paper considers the possibilities of radiation studies in the early diagnosis of this tumor, as well as those of determining the tactics, type, and scope of surgical treatment.

Carcinoid tumors are rare malignant neoplasms of the respiratory system. They belong to neuroendocrine tumors with a low degree of (G1, G2) malignancy. Even less common is the primary multiplicity of these tumors in the trachea and bronchi, which can complicate the only radical, surgical treatment. We present an observation of a 75-year-old patient who was able to diagnose a carcinoid of the cervical trachea and left main bronchus in a timely manner, determine the exact localization and prevalence of the tumor, and successfully conduct surgical treatment in 2 stages.

Multiple primary colon cancer is an urgent medical problem of our time, which is associated with a steady increment in the incidence of the above disease and with the high complexity of its diagnosis. According to the literary sources, the incidence of this form of cancer of the colon has recently amounted to as much as 17% among all multiple primary neoplasms and this organ is a very common site. The paper describes a clinical case confirming the need for a thorough diagnosis of multiple primary colon cancer, by applying radiation techniques to further define treatment policies.