A 40-year-old man has hemoptysis. CXR shows a coin lesion. Biopsy reveals nests of neuroendocrine cells with salt-and-pepper chromatin. What is the most likely diagnosis?
ASquamous cell carcinoma
BCarcinoid tumor
CAdenocarcinoma
DSmall cell carcinoma
Which of the following is true? 1. BRCA1 is an oncogene 2. HER2neu is amplified only in a fraction of breast cancer 3. EGFR (+) is seen in non-small cell lung cancer 4. N-MYC is a tumor suppressor gene
A1,3
B1,2
C2,3
DAll of the options
Which type of lung tumor is most responsive to radiotherapy?
ASquamous cell CA
BAdeno CA
CAll types respond differently to treatment.
DSmall cell lung cancer (SCLC)
+ 7 more in the PDF
Browse all chapters