Carcinoma of the esophagus has a poor prognosis because:

Related MCQs

• Carcinoma of the esophagus:
• All of the following correctly describe carcinoma of the esophagus except:
• Which of the following is most characteristic of carcinoma of the esophagus?
• The worst prognosis is associated with carcinoma of the:
• A 30-year-old woman has a right mastectomy and axillary lymph node dissection for a carcinoma diagnosed by fine needle aspiration cytology. The histologic pattern is that of a poorly differentiated carcinoma that is negative for oestrogen and progesterone receptors, but is positive for HER2/neu. One axillary lymph node demonstrates micro- metastases. Her 32 year old sister is found to have a similar lesion. Which of the following statements regarding risk factors for this lesion is the most appropriate?
• Which is most characteristic of carcinoma of the cecum or right colon (in contrast to carcinoma of the rectum)?
• In contrast to carcinoma of the right colon, carcinoma of the left colon tends to be associated with:
• A 65-year-old man has a routine screening examination, and his serum prostate- specific antigen (PSA) level is found to be 6.7 ng/mL. Digital rectal examination reveals a mildly enlarged prostate gland, but no discrete nodules. One year ago, his PSA was 2.1 ng/mL. The patient is referred to a urologist who performs a biopsy of the gland. Biopsy specimen shows adenocarcinoma of the prostate with a Gleason score of 9. Which of the following best describes his prognosis on the basis of his Gleason score?
• Which of the following histologic subtypes of rhabdomyosarcoma has the worst prognosis?
• A male heavy smoker develops increasing difficulty in swallowing gradually over six months. Constriction of the mid-esophagus is seen on x-ray of barium swallow. The most likely diagnosis is: