Dr. William L. Diehl, MD, Surgical Oncologist
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Dr. William L. Diehl, MD

Surgical Oncologist | Surgical Oncology

150 Park Ave. 2nd Floor Florham Park NJ, 07932
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About

William L. Diehl, MD, FACS, specializes in cancer surgery of the breast, pancreas, liver, biliary tract, esophagus, colon, rectum, and skin. Dr. Diehl also has expertise in general surgeries, including ...

Education and Training

Universidad Anahuac Escuela De Medicina, Mexico 1981

Board Certification

SurgeryAmerican Board of SurgeryABS

Provider Details

Male Spanish
Dr. William L. Diehl, MD
Dr. William L. Diehl, MD's Expert Contributions
  • Is it better to have open or closed biopsy?

    A closed biopsy is the current standard of care. In fact, there are many good reasons not to do an open biopsy as a primary diagnostic procedure. READ MORE

  • How does radiation therapy work on cancer?

    In general, radiation works by killing cancerous cells that are dividing more actively than normal cells. However, this is an area of high special is a shin and you should best direct this question to the radiation oncologist READ MORE

  • Can surgery help with prostate cancer?

    Treatment options for prostate cancer include surgical removal as well as radiation therapy. They both have risks and benefits. Your friend should consult with a urologic surgeon that has experience treating prostate cancer to get an opinion READ MORE

  • What's the best treatment option for ovarian cancer?

    Surgery is almost always part of the treatment strategy for ovarian cancer however chemotherapy is also frequently utilized for this type of tumor. It depends on the extent of the cancer and also the sub variety of cancer. READ MORE

  • My husband has a cancerous tumor. Would all the cancer be gone once it's removed?

    The best way to think about your question is that all of the cancer known to the surgeon is likely to be removed at the time of surgery. There is always a possibility that microscopic or undetectable disease could have spread to other areas in the body and be present in areas outside of the testicle. That is why it is frequently necessary to add chemotherapy or radiation to the surgery. However it is certainly possible the surgical resection of the testicle can eradicate the entire cancer. READ MORE

  • What Breast Cancer treatment is recommended?

    Broadly speaking you will need both chemotherapy to be followed by radiation and finally with Tamoxifen. You should consider talking to a genetic counselor for genetic testing due to your young age. Current treatment regimens are very successful in treating even node positive cancer, so don't be discouraged. READ MORE

  • What is the best treatment for breast cancer?

    It is too broad a question to answer without specifics. However, in general surgery is required to remove the tumor and check the lymph glands under the arm. Frequently hormonal blocking agents like Tamoxifen are used as well as radiation and occasionally chemotherapy as well. There are times all 4 modalities and perhaps even immunotherapy are needed. Her best bet is to find a breast surgeon that specializes or is highly familiar with the treatment of breast cancer and he or she can then guide her moving forward. READ MORE

  • Will removal of a cancerous tumor cause cancer cells to spread?

    It is highly unlikely to cause the shedding of cells. Furthermore, even if cells are shed, it is unlikely to have any of those cells lodge somewhere else in the body. Good luck with everything. READ MORE

  • How to get rid of fluid in the lungs?

    Fluid can be removed with a variety of tubes, but frequently in order to keep it from coming back the lining of the chest cavity needs to be removed surgically with a procedure called a pleurectomy. Your mother should consult with a Thoracic Surgeon for more precise direction READ MORE

  • Can benign tumors come back?

    It's possible but unlikely depending on the tumor and whether it was completely removed. You should go back to your surgeon to have him examine you READ MORE

  • Can cancer cells be removed surgically?

    Not individually, but except for some blood borne cancers such as Leukemia, the vast majority of cancers grow as a tumor. The entire tumor and therefore, the cancerous cells can be removed as a block. READ MORE

  • Surgical oncologist for a third opinion?

    She will definitely need to see a breast surgeon or surgical oncologist that is intimately familiar with breast cancer. In most cases, the mainstay of breast cancer surgical therapy is surgical READ MORE

  • Do all tumors need to be removed?

    Not all benign tumors need to be removed. The key however, is to be sure that it is a benign tumor. The other reasons to remove benign tumors is if they are symptomatic or growing. READ MORE

  • Can cancer come back after surgery?

    Unfortunately, what makes cancer cancer is its ability to come back either in the local area or somewhere else in the body. It is impossible to eliminate this risk, however, all treatment strategies following surgery are aimed at reducing the chances of this happening. As far as the other lump is concerned, you should bring it to the attention of your doctor immediately. READ MORE

  • How should I prepare for my lumpectomy?

    There is not much preparation needed to remove a breast lump. After surgery that is usually a small amount of pain that is easily managed. You should call your surgeon's office for specific instructions. READ MORE

  • Does a double mastectomy prevent breast cancer?

    A bilateral preventative (prophylactic) mastectomy is highly effective in reducing the risk of breast cancer developing. It does not eliminated completely but makes it very unlikely to occur. However, just because you have a family history does not mean you must have a pre vented of mastectomy. Be sure your surgeon is intimately familiar in assessing the risk of breast cancer occurring in her case READ MORE

  • How long is the recovery for breast reconstruction surgery?

    She should be recovered in approximately 3 to 4 weeks. However the specific techniques used by the plastic surgeon vary so she should contact the plastic surgeon for a more precise estimate. READ MORE

  • How can I tell if I have oral cancer?

    Eight usually presents as a plaque or ulceration within the mouth. It could also present as a lump in the neck. If you are concerned you should make an appointment to see a head and neck surgeon for evaluation. READ MORE

  • Is a biopsy done through radiology?

    It depends on the location of the body and the expertise of the individual physicians in your area. In our practice, the breast surgeons performed all of the biopsies even those that are guided by Radiology. There are, however, a large number of radiologists who are highly skilled at performing different types of biopsies. READ MORE

  • My son is so small! Will general anesthesia hurt him?

    The size of the patient does not usually increase the risk of anesthesia as most of the agents are administered based on size and weight to a certain extent. Please bring her concerns to the attention of the anesthesiologist who I am sure you will meet immediately prior to surgery. READ MORE

Expert Publications

Data provided by the National Library of Medicine

Areas of expertise and specialization

Breast Surgery and Breast Surgical OncologySurgical Oncology

Professional Memberships

  • American Society of Breast Surgeons  
  • American College of Surgeons  
  • American Medical Association  

Fellowships

  • General Surgical Oncology, Memorial Sloan-Kettering Cancer Center, New York, NY   
  • Memorial Sloan Kettering  

Charities and Philanthropic Endeavors

  • UHMLA

Dr. William L. Diehl, MD's Practice location

150 Park Ave. 2nd Floor -
Florham Park, NJ 07932
Get Direction
New patients: 973-267-6400

75 E NORTHFIELD RD -
LIVINGSTON, NJ 07039
Get Direction
New patients: 973-436-1530
Fax: 973-422-0414

Practice At 261 James St Suite 2g

261 James St Suite 2g -
Morristown, NJ 07960
Get Direction
New patients: 973-267-6400
Fax: 973-267-7295

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MORRISTOWN MEDICAL CENTERl

100 MADISON AVE MORRISTOWN NJ 7962

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100 Madison Ave, Morristown, NJ 07960, USA

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OVERLOOK MEDICAL CENTERl

99 BEAUVOIR AVENUE SUMMIT NJ 7902

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99 Beauvoir Ave, Summit, NJ 07901, USA

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SAINT BARNABAS MEDICAL CENTERl

94 OLD SHORT HILLS ROAD LIVINGSTON NJ 7039

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99 BEAUVOIR AVENUE SUMMIT NJ 7902

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SAINT BARNABAS MEDICAL CENTERl

94 OLD SHORT HILLS ROAD LIVINGSTON NJ 7039

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300 CENTRAL AVE EAST ORANGE NJ 7018

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25 POCONO ROAD DENVILLE NJ 7834

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99 BEAUVOIR AVENUE SUMMIT NJ 7902

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