Objective Head and neck cancer survivors have increased risk of developing second primary tumors compared to overall population. Because second primary represents a major cause of morbidity and mortality in this population, early detection is fundamental. Materials and Methods In this 10‐year single‐institution study, we investigated the following: incidence, clinical‐pathological risk factors, and survival of patients with second primary tumor. We included all patients with diagnosis of squamous cell carcinoma of the head and neck seen at the Modena University Hospital from 2008 to 2018. Results Among 1,177 patients included, 222 (18.9%) developed second primary tumor; its survival probability at 5 years was 40.6%. Alcohol consumption (p = .0055) and index cancer in oropharynx (p = .0029), supraglottic larynx (p = .0000), glottic larynx (p = .0222) were associated with higher risk of second primary. The most common second primary sites were head and neck district and lung (70, 31.5%, and 67, 30.2%, respectively). Head and neck district were more common in oral cavity (18, 43%) and oropharynx index cancer (20, 31%); lung second primary in hypopharynx (4, 40%), supraglottic larynx (17, 43%), and glottic larynx index cancer (23, 35%). Conclusion Head and neck cancer survivors developing a second primary tumor have dismal prognosis. Tailored surveillance is recommended.

ROS proto-oncogene 1 (ROS1) rearrangements are reported in about 1–2% of non-squamous non-small-cell lung cancer (NSCLC). After efficacy of crizotinib was demonstrated, identification of ROS1 translocations in advanced disease became fundamental to give patients the chance of specific and effective treatment. Different methods are available for detection of rearrangements, and probably the real prevalence of ROS1 rearrangements is higher than that reported in literature, as our capacity to detect gene rearrangements is improving. In particular, with next generation sequencing (NGS) techniques, we are currently able to assess multiple genes simultaneously with increasing sensitivity. This is leading to overcome the “single oncogenic driver” paradigm, and in the very near future, the co-existence of multiple drivers will probably emerge more frequently and represent a therapeutic issue. Since recently, crizotinib has been the only available therapy, but today, many other tyrosine kinase inhibitors (TKI) are emerging and seem promising both in first and subsequent lines of treatment. Indeed, novel inhibitors are also able to overcome resistance mutations to crizotinib, hypothesizing a possible sequential strategy also in ROS1-rearranged disease. In this review, we will focus on ROS1 rearrangements, dealing with diagnostic aspects, new therapeutic options, resistance issues and the coexistence of ROS1 translocations with other molecular alterations.

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Small cell lung cancer (SCLC) is a highly aggressive malignancy that accounts for about 14% of all lung cancers. Platinum-based chemotherapy has been the only available treatment for a long time, until the introduction of immune checkpoint inhibitors (ICIs) recently changed first-line standard of care and shed light on the pivotal role of the immune system. Despite improved survival in a subset of patients, a lot of them still do not benefit from first-line chemo-immunotherapy, and several studies are investigating whether different combination strategies (with both systemic and local treatments, such as radiotherapy) may improve patient outcomes. Moreover, research of biomarkers that may be used to predict patients’ outcomes is ongoing. In addition to ICIs, immunotherapy offers other different strategies, including naked monoclonal antibodies targeting tumor associated antigens, conjugated antibody, bispecific antibodies and cellular therapies. In this review, we summarize the main evidence available about the use of immunotherapy in SCLC, the rationale behind combination strategies and the studies that are currently ongoing in this setting, in order to give the reader a clear and complete view of this rapidly expanding topic.