Since how long are your symptoms?
Do you have any weight loss, loss of appetite, evening rise of fever, night sweats?
Any significant past medical or surgical history?
Just GERD can explain all of your symptoms. Most of the people would be worried about the cancer with your medical history, personal habits and symptoms, but cancer would constitute less than 15% of total cause with your manifestations. So I would be candid but also like to tell you that this is a possibility but not the only one. There are other causes too with your symptoms and only GERD can explain all of these, as I mentioned. The other causes to look for, would be;
2) Pharyngeal diverticulum
3) Tracheal cancer
4) Esophageal cancer
5) Diffuse esophageal spasm
6) Lower esophageal ring
7) Eosinophilic esophagitis
8) Peptic stricture
So an esophagoscopy and a larygosocpy would be essential to ascertain the cause and clinch the diagnosis.
Please feel free for your follow up questions.
A tracheal displacement can occur due to the muscle spasm, which is the commonest cause for it. Only a very advanced cancer which had profound symptoms may have displaced it, but then that is not common cause for tracheal cartilage shift. The other disorders like neuromuscular problems are the other cause for the tracheal cartilage shift.
A palpable mass at the 8-10th rib is difficult to comment about. In all likelihood they cannot be related to either the vocal cord or tracheal cancer or esophageal cancer as they do not have any connection to this site. The lumps here are likely to be a lipoma, lipofibroma, fibrolipoma or a neurofibroma.
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You are very welcome.
A lung or bronchial mass do not give palpable mass on the chest wall and is not the way to present. A palpable mass on the chest wall is highly unlikely due to the visceral cause.
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