A patient with progressive dysphagia initially to solids and later to liquids has a distal esophageal mass at the gastroesophageal junction. The history includes Barrett esophagus. Which histology is MOST likely?

A therapist reviews a prostate treatment planning CT. Which anatomic relationship is MOST accurate?

A young woman is diagnosed with clear-cell adenocarcinoma of the vagina. Which historical exposure should the therapist MOST strongly associate with this finding?

A patient is referred for adjuvant radiation after breast-conserving surgery. The operative report documents removal of the primary lesion with a rim of surrounding normal tissue while preserving most of the breast. Which procedure was MOST likely performed?

A 24-year-old man presents with a painless testicular mass and a history of cryptorchidism. Which diagnosis is MOST strongly supported?

A pancreatic tumor causes painless obstructive jaundice. Which anatomic relationship BEST accounts for this presentation?

An apical lung tumor is being planned for radiation therapy. In addition to the spinal cord, lungs, heart, and esophagus, which structure deserves PARTICULAR attention because of the tumor location?

A postmenopausal patient reports new vaginal bleeding. Which primary malignancy should be MOST strongly suspected from this presentation?

A patient presents years after thoracic irradiation with permanent structural lung changes and decreased pulmonary function. Which late effect is MOST consistent with these findings?

Which statement regarding CA-125 is MOST accurate based on the source?